gsoc2013-evolution - Google Summer of Code 2013 - GNOME

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author	Chao-Hsiung Liao <j_h_liau@yahoo.com.tw>	2007-02-01 20:05:39 +0800
committer	Chao-Hsiung Liao <chliao@src.gnome.org>	2007-02-01 20:05:39 +0800
commit	20f794944b3e63bd7a7b7308e3a1280dbafc64b6 (patch)
tree	ffcc4ae7465d42a0f6067e9a2805576250d971e6 /po
parent	c689b938f60c85049e45e5cce48fba2c21808c11 (diff)
download	gsoc2013-evolution-20f794944b3e63bd7a7b7308e3a1280dbafc64b6.tar.gz gsoc2013-evolution-20f794944b3e63bd7a7b7308e3a1280dbafc64b6.tar.zst gsoc2013-evolution-20f794944b3e63bd7a7b7308e3a1280dbafc64b6.zip

Updated Traditional Chinese translation(Hong Kong). Updated Traditional

2007-02-01 Chao-Hsiung Liao <j_h_liau@yahoo.com.tw> * zh_HK.po: Updated Traditional Chinese translation(Hong Kong). * zh_TW.po: Updated Traditional Chinese translation(Taiwan). svn path=/trunk/; revision=33173

Diffstat (limited to 'po')

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po/ChangeLog

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po/zh_HK.po

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po/zh_TW.po

164

3 files changed, 174 insertions, 173 deletions

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ /* * e-text.c - Text item for evolution. * Copyright 2000, 2001, Ximian, Inc. * * Authors: * Chris Lahey <clahey@ximian.com> * Jon Trowbridge <trow@ximian.com> * * A majority of code taken from: * * Text item type for GnomeCanvas widget * * GnomeCanvas is basically a port of the Tk toolkit's most excellent * canvas widget. Tk is copyrighted by the Regents of the University * of California, Sun Microsystems, and other parties. * * Copyright (C) 1998 The Free Software Foundation * * Author: Federico Mena <federico@nuclecu.unam.mx> * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License, version 2, as published by the Free Software Foundation. * * This library is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA * 02110-1301, USA. */ #include <config.h> #include <math.h> #include <ctype.h> #include <string.h> #include <glib-object.h> #include <gdk/gdkkeysyms.h> #include <gtk/gtk.h> #include <libgnomecanvas/gnome-canvas-rect-ellipse.h> #include <libart_lgpl/art_affine.h> #include <libart_lgpl/art_rgb.h> #include <libart_lgpl/art_rgb_bitmap_affine.h> #include "a11y/e-text/gal-a11y-e-text.h" #include "misc/e-canvas.h" #include "misc/e-canvas-utils.h" #include "misc/e-unicode.h" #include <glib/gi18n.h> #include "e-util/e-text-event-processor-emacs-like.h" #include "e-util/e-util.h" #include "e-text.h" G_DEFINE_TYPE (EText, e_text, GNOME_TYPE_CANVAS_ITEM) #define BORDER_INDENT 3 #define d(x) enum { E_TEXT_CHANGED, E_TEXT_ACTIVATE, E_TEXT_KEYPRESS, E_TEXT_POPULATE_POPUP, E_TEXT_STYLE_SET, E_TEXT_LAST_SIGNAL }; static GQuark e_text_signals[E_TEXT_LAST_SIGNAL] = { 0 }; /* Object argument IDs */ enum { PROP_0, PROP_MODEL, PROP_EVENT_PROCESSOR, PROP_TEXT, PROP_BOLD, PROP_STRIKEOUT, PROP_ANCHOR, PROP_JUSTIFICATION, PROP_CLIP_WIDTH, PROP_CLIP_HEIGHT, PROP_CLIP, PROP_FILL_CLIP_RECTANGLE, PROP_X_OFFSET, PROP_Y_OFFSET, PROP_FILL_COLOR, PROP_FILL_COLOR_GDK, PROP_FILL_COLOR_RGBA, PROP_FILL_STIPPLE, PROP_TEXT_WIDTH, PROP_TEXT_HEIGHT, PROP_EDITABLE, PROP_USE_ELLIPSIS, PROP_ELLIPSIS, PROP_LINE_WRAP, PROP_BREAK_CHARACTERS, PROP_MAX_LINES, PROP_WIDTH, PROP_HEIGHT, PROP_DRAW_BORDERS, PROP_ALLOW_NEWLINES, PROP_DRAW_BACKGROUND, PROP_DRAW_BUTTON, PROP_CURSOR_POS, PROP_IM_CONTEXT, PROP_HANDLE_POPUP }; static void e_text_command(ETextEventProcessor *tep, ETextEventProcessorCommand *command, gpointer data); static void e_text_text_model_changed(ETextModel *model, EText *text); static void e_text_text_model_reposition (ETextModel *model, ETextModelReposFn fn, gpointer repos_data, gpointer data); static void _get_tep(EText *text); static void calc_height (EText *text); static gboolean show_pango_rectangle (EText *text, PangoRectangle rect); static void e_text_do_popup (EText *text, GdkEventButton *button, int position); static void e_text_update_primary_selection (EText *text); static void e_text_paste (EText *text, GdkAtom selection); static void e_text_insert(EText *text, const char *string); static void reset_layout_attrs (EText *text); static void update_im_cursor_position (EText *text); #if 0 /* GtkEditable Methods */ static void e_text_editable_do_insert_text (GtkEditable *editable, const gchar *text, gint length, gint *position); static void e_text_editable_do_delete_text (GtkEditable *editable, gint start_pos, gint end_pos); static gchar* e_text_editable_get_chars (GtkEditable *editable, gint start_pos, gint end_pos); static void e_text_editable_set_selection_bounds (GtkEditable *editable, gint start_pos, gint end_pos); static gboolean e_text_editable_get_selection_bounds (GtkEditable *editable, gint *start_pos, gint *end_pos); static void e_text_editable_set_position (GtkEditable *editable, gint position); static gint e_text_editable_get_position (GtkEditable *editable); #endif /* IM Context Callbacks */ static void e_text_commit_cb (GtkIMContext *context, const gchar *str, EText *text); static void e_text_preedit_changed_cb (GtkIMContext *context, EText *text); static gboolean e_text_retrieve_surrounding_cb (GtkIMContext *context, EText *text); static gboolean e_text_delete_surrounding_cb (GtkIMContext *context, gint offset, gint n_chars, EText *text); static GdkAtom clipboard_atom = GDK_NONE; /* Dispose handler for the text item */ #if 0 static void e_text_style_set (EText *text, GtkStyle *previous_style) { if ( text->line_wrap ) { text->needs_split_into_lines = 1; } else { text->needs_calc_height = 1; } e_canvas_item_request_reflow (GNOME_CANVAS_ITEM (text)); } #endif static void e_text_dispose (GObject *object) { EText *text; g_return_if_fail (object != NULL); g_return_if_fail (E_IS_TEXT (object)); text = E_TEXT (object); if (text->tooltip_owner) e_canvas_hide_tooltip (E_CANVAS(GNOME_CANVAS_ITEM(text)->canvas)); text->tooltip_owner = 0; if (text->model_changed_signal_id) g_signal_handler_disconnect (text->model, text->model_changed_signal_id); text->model_changed_signal_id = 0; if (text->model_repos_signal_id) g_signal_handler_disconnect (text->model, text->model_repos_signal_id); text->model_repos_signal_id = 0; if (text->model) g_object_unref(text->model); text->model = NULL; if (text->tep_command_id) g_signal_handler_disconnect(text->tep, text->tep_command_id); text->tep_command_id = 0; if (text->tep) g_object_unref (text->tep); text->tep = NULL; g_free (text->revert); text->revert = NULL; if (text->stipple) g_object_unref (text->stipple); text->stipple = NULL; if (text->timeout_id) { g_source_remove(text->timeout_id); text->timeout_id = 0; } if (text->timer) { g_timer_stop(text->timer); g_timer_destroy(text->timer); text->timer = NULL; } if ( text->tooltip_timeout ) { g_source_remove (text->tooltip_timeout); text->tooltip_timeout = 0; } if ( text->dbl_timeout ) { g_source_remove (text->dbl_timeout); text->dbl_timeout = 0; } if ( text->tpl_timeout ) { g_source_remove (text->tpl_timeout); text->tpl_timeout = 0; } if (text->layout) { g_object_unref (text->layout); text->layout = NULL; } if (text->im_context) { g_signal_handlers_disconnect_matched (text->im_context, G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, text); g_object_unref (text->im_context); text->im_context = NULL; } if (text->font_desc) { pango_font_description_free (text->font_desc); text->font_desc = NULL; } if (G_OBJECT_CLASS (e_text_parent_class)->dispose) (* G_OBJECT_CLASS (e_text_parent_class)->dispose) (object); } static void insert_preedit_text (EText *text) { PangoAttrList *attrs = NULL; PangoAttrList *preedit_attrs = NULL; gchar *preedit_string = NULL; GString *tmp_string = g_string_new (NULL); gint length = 0, cpos = 0; gboolean new_attrs = FALSE; if (text->layout == NULL || !GTK_IS_IM_CONTEXT (text->im_context)) return; text->text = e_text_model_get_text(text->model); length = strlen (text->text); g_string_prepend_len (tmp_string, text->text,length); /* we came into this function only when text->preedit_len was not 0 * so we can safely fetch the preedit string */ gtk_im_context_get_preedit_string ( text->im_context, &preedit_string, &preedit_attrs, NULL); if (preedit_string && g_utf8_validate (preedit_string, -1, NULL)) { text->preedit_len = strlen (preedit_string); cpos = g_utf8_offset_to_pointer ( text->text, text->selection_start) - text->text; g_string_insert (tmp_string, cpos, preedit_string); reset_layout_attrs (text); attrs = pango_layout_get_attributes (text->layout); if (!attrs) { attrs = pango_attr_list_new (); new_attrs = TRUE; } pango_layout_set_text (text->layout, tmp_string->str, tmp_string->len); pango_attr_list_splice (attrs, preedit_attrs, cpos, text->preedit_len); if (new_attrs) { pango_layout_set_attributes (text->layout, attrs); pango_attr_list_unref (attrs); } } else text->preedit_len = 0; if (preedit_string) g_free (preedit_string); if (preedit_attrs) pango_attr_list_unref (preedit_attrs); if (tmp_string) g_string_free (tmp_string, TRUE); } static void reset_layout_attrs (EText *text) { PangoAttrList *attrs = NULL; int object_count; if (text->layout == NULL) return; object_count = e_text_model_object_count (text->model); if (text->bold || text->strikeout || object_count > 0) { int length = 0; int i; attrs = pango_attr_list_new (); for (i = 0; i < object_count; i++) { int start_pos, end_pos; PangoAttribute *attr = pango_attr_underline_new (PANGO_UNDERLINE_SINGLE); e_text_model_get_nth_object_bounds (text->model, i, &start_pos, &end_pos); attr->start_index = g_utf8_offset_to_pointer (text->text, start_pos) - text->text; attr->end_index = g_utf8_offset_to_pointer (text->text, end_pos) - text->text; pango_attr_list_insert (attrs, attr); } if (text->bold || text->strikeout) length = strlen (text->text); if (text->bold) { PangoAttribute *attr = pango_attr_weight_new (PANGO_WEIGHT_BOLD); attr->start_index = 0; attr->end_index = length; pango_attr_list_insert_before (attrs, attr); } if (text->strikeout) { PangoAttribute *attr = pango_attr_strikethrough_new (TRUE); attr->start_index = 0; attr->end_index = length; pango_attr_list_insert_before (attrs, attr); } } pango_layout_set_attributes (text->layout, attrs); if (attrs) pango_attr_list_unref (attrs); calc_height (text); } static void create_layout (EText *text) { GnomeCanvasItem *item = GNOME_CANVAS_ITEM (text); if (text->layout) return; text->layout = gtk_widget_create_pango_layout (GTK_WIDGET (item->canvas), text->text); if (text->line_wrap) pango_layout_set_width (text->layout, text->clip_width < 0 ? -1 : text->clip_width * PANGO_SCALE); reset_layout_attrs (text); } static void reset_layout (EText *text) { GnomeCanvasItem *item = GNOME_CANVAS_ITEM (text); cairo_font_options_t *font_options; PangoContext *context; if (text->layout == NULL) { create_layout (text); } else { context = pango_layout_get_context (text->layout); font_options = get_font_options(); pango_cairo_context_set_font_options (context, font_options); cairo_font_options_destroy (font_options); pango_layout_context_changed (text->layout); text->font_desc = pango_font_description_new (); pango_font_description_set_size (text->font_desc, pango_font_description_get_size ((GTK_WIDGET (item->canvas))->style->font_desc)); pango_font_description_set_family (text->font_desc, pango_font_description_get_family ((GTK_WIDGET (item->canvas))->style->font_desc)); pango_layout_set_font_description (text->layout, text->font_desc); pango_layout_set_text (text->layout, text->text, -1); reset_layout_attrs (text); } if (!text->button_down) { PangoRectangle strong_pos, weak_pos; char *offs = g_utf8_offset_to_pointer (text->text, text->selection_start); pango_layout_get_cursor_pos (text->layout, offs - text->text, &strong_pos, &weak_pos); if (strong_pos.x != weak_pos.x || strong_pos.y != weak_pos.y || strong_pos.width != weak_pos.width || strong_pos.height != weak_pos.height) show_pango_rectangle (text, weak_pos); show_pango_rectangle (text, strong_pos); } } static void e_text_text_model_changed (ETextModel *model, EText *text) { gint model_len = e_text_model_get_text_length (model); text->text = e_text_model_get_text(model); /* Make sure our selection doesn't extend past the bounds of our text. */ text->selection_start = CLAMP (text->selection_start, 0, model_len); text->selection_end = CLAMP (text->selection_end, 0, model_len); text->needs_reset_layout = 1; text->needs_split_into_lines = 1; text->needs_redraw = 1; e_canvas_item_request_reflow (GNOME_CANVAS_ITEM(text)); gnome_canvas_item_request_update (GNOME_CANVAS_ITEM (text)); g_signal_emit (text, e_text_signals[E_TEXT_CHANGED], 0); } static void e_text_text_model_reposition (ETextModel *model, ETextModelReposFn fn, gpointer repos_data, gpointer user_data) { EText *text = E_TEXT (user_data); gint model_len = e_text_model_get_text_length (model); text->selection_start = fn (text->selection_start, repos_data); text->selection_end = fn (text->selection_end, repos_data); /* Our repos function should make sure we don't overrun the buffer, but it never hurts to be paranoid. */ text->selection_start = CLAMP (text->selection_start, 0, model_len); text->selection_end = CLAMP (text->selection_end, 0, model_len); if (text->selection_start > text->selection_end) { gint tmp = text->selection_start; text->selection_start = text->selection_end; text->selection_end = tmp; } } static void get_bounds (EText *text, double *px1, double *py1, double *px2, double *py2) { GnomeCanvasItem *item; double wx, wy, clip_width, clip_height; item = GNOME_CANVAS_ITEM (text); /* Get canvas pixel coordinates for text position */ wx = 0; wy = 0; gnome_canvas_item_i2w (item, &wx, &wy); gnome_canvas_w2c (item->canvas, wx, wy, &text->cx, &text->cy); gnome_canvas_w2c (item->canvas, wx, wy, &text->clip_cx, &text->clip_cy); if (text->clip_width < 0) clip_width = text->width; else clip_width = text->clip_width; if ( text->clip_height < 0 ) clip_height = text->height; else clip_height = text->clip_height; /* Get canvas pixel coordinates for clip rectangle position */ text->clip_cwidth = clip_width * item->canvas->pixels_per_unit; text->clip_cheight = clip_height * item->canvas->pixels_per_unit; /* Anchor text */ switch (text->anchor) { case GTK_ANCHOR_NW: case GTK_ANCHOR_W: case GTK_ANCHOR_SW: break; case GTK_ANCHOR_N: case GTK_ANCHOR_CENTER: case GTK_ANCHOR_S: text->cx -= text->width / 2; text->clip_cx -= text->clip_cwidth / 2; break; case GTK_ANCHOR_NE: case GTK_ANCHOR_E: case GTK_ANCHOR_SE: text->cx -= text->width; text->clip_cx -= text->clip_cwidth; break; } switch (text->anchor) { case GTK_ANCHOR_NW: case GTK_ANCHOR_N: case GTK_ANCHOR_NE: break; case GTK_ANCHOR_W: case GTK_ANCHOR_CENTER: case GTK_ANCHOR_E: text->cy -= text->height / 2; text->clip_cy -= text->clip_cheight / 2; break; case GTK_ANCHOR_SW: case GTK_ANCHOR_S: case GTK_ANCHOR_SE: text->cy -= text->height; text->clip_cy -= text->clip_cheight; break; } text->text_cx = text->cx; text->text_cy = text->cy; if (text->draw_borders) { text->text_cx += BORDER_INDENT; text->text_cy += BORDER_INDENT; } /* Bounds */ if (text->clip) { *px1 = text->clip_cx; *py1 = text->clip_cy; *px2 = text->clip_cx + text->clip_cwidth; *py2 = text->clip_cy + text->clip_cheight; } else { *px1 = text->cx; *py1 = text->cy; *px2 = text->cx + text->width; *py2 = text->cy + text->height; } } static void calc_height (EText *text) { GnomeCanvasItem *item; int old_height; int old_width; int width = 0; int height = 0; item = GNOME_CANVAS_ITEM (text); /* Calculate text dimensions */ old_height = text->height; old_width = text->width; if (text->layout) pango_layout_get_pixel_size (text->layout, &width, &height); text->height = height; text->width = width; if (old_height != text->height || old_width != text->width) e_canvas_item_request_parent_reflow(item); } static void calc_ellipsis (EText *text) { /* FIXME: a pango layout per calc_ellipsis sucks */ int width; PangoLayout *layout = gtk_widget_create_pango_layout (GTK_WIDGET (GNOME_CANVAS_ITEM (text)->canvas), text->ellipsis ? text->ellipsis : "..."); pango_layout_get_size (layout, &width, NULL); text->ellipsis_width = width; g_object_unref (layout); } static void split_into_lines (EText *text) { text->num_lines = pango_layout_get_line_count (text->layout); } /* Convenience function to set the text's GC's foreground color */ static void set_text_gc_foreground (EText *text) { if (!text->gc) return; gdk_gc_set_foreground (text->gc, &text->color); } /* Sets the stipple pattern for the text */ static void set_stipple (EText *text, GdkBitmap *stipple, int reconfigure) { if (text->stipple && !reconfigure) g_object_unref (text->stipple); text->stipple = stipple; if (stipple && !reconfigure) g_object_ref (stipple); if (text->gc) { if (stipple) { gdk_gc_set_stipple (text->gc, stipple); gdk_gc_set_fill (text->gc, GDK_STIPPLED); } else gdk_gc_set_fill (text->gc, GDK_SOLID); } } /* Set_arg handler for the text item */ static void e_text_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) { GnomeCanvasItem *item; EText *text; GdkColor color = { 0, 0, 0, 0, }; GdkColor *pcolor; gboolean color_changed; gboolean needs_update = 0; gboolean needs_reflow = 0; item = GNOME_CANVAS_ITEM (object); text = E_TEXT (object); color_changed = FALSE; switch (prop_id) { case PROP_MODEL: if ( text->model_changed_signal_id ) g_signal_handler_disconnect (text->model, text->model_changed_signal_id); if ( text->model_repos_signal_id ) g_signal_handler_disconnect (text->model, text->model_repos_signal_id); g_object_unref (text->model); text->model = E_TEXT_MODEL (g_value_get_object (value)); g_object_ref (text->model); text->model_changed_signal_id = g_signal_connect (text->model, "changed", G_CALLBACK (e_text_text_model_changed), text); text->model_repos_signal_id = g_signal_connect (text->model, "reposition", G_CALLBACK (e_text_text_model_reposition), text); text->text = e_text_model_get_text(text->model); g_signal_emit (text, e_text_signals[E_TEXT_CHANGED], 0); text->needs_split_into_lines = 1; needs_reflow = 1; break; case PROP_EVENT_PROCESSOR: if ( text->tep && text->tep_command_id ) g_signal_handler_disconnect(text->tep, text->tep_command_id); if ( text->tep ) { g_object_unref(text->tep); } text->tep = E_TEXT_EVENT_PROCESSOR(g_value_get_object (value)); g_object_ref(text->tep); text->tep_command_id = g_signal_connect(text->tep, "command", G_CALLBACK(e_text_command), text); if (!text->allow_newlines) g_object_set (text->tep, "allow_newlines", FALSE, NULL); break; case PROP_TEXT: e_text_model_set_text(text->model, g_value_get_string (value)); break; case PROP_BOLD: text->bold = g_value_get_boolean (value); text->needs_redraw = 1; text->needs_recalc_bounds = 1; if (text->line_wrap) text->needs_split_into_lines = 1; else { text->needs_calc_height = 1; } needs_update = 1; needs_reflow = 1; break; case PROP_STRIKEOUT: text->strikeout = g_value_get_boolean (value); text->needs_redraw = 1; needs_update = 1; break; case PROP_ANCHOR: text->anchor = g_value_get_enum (value); text->needs_recalc_bounds = 1; needs_update = 1; break; case PROP_JUSTIFICATION: text->justification = g_value_get_enum (value); text->needs_redraw = 1; needs_update = 1; break; case PROP_CLIP_WIDTH: text->clip_width = fabs (g_value_get_double (value)); calc_ellipsis (text); if ( text->line_wrap ) { if (text->layout) pango_layout_set_width (text->layout, text->clip_width < 0 ? -1 : text->clip_width * PANGO_SCALE); text->needs_split_into_lines = 1; } else { text->needs_calc_height = 1; } needs_reflow = 1; break; case PROP_CLIP_HEIGHT: text->clip_height = fabs (g_value_get_double (value)); text->needs_recalc_bounds = 1; /* toshok: kind of a hack - set needs_reset_layout here so when something about the style/them changes, we redraw the text at the proper size/with the proper font. */ text->needs_reset_layout = 1; needs_reflow = 1; break; case PROP_CLIP: text->clip = g_value_get_boolean (value); calc_ellipsis (text); if ( text->line_wrap ) text->needs_split_into_lines = 1; else { text->needs_calc_height = 1; } needs_reflow = 1; break; case PROP_FILL_CLIP_RECTANGLE: text->fill_clip_rectangle = g_value_get_boolean (value); needs_update = 1; break; case PROP_X_OFFSET: text->xofs = g_value_get_double (value); text->needs_recalc_bounds = 1; needs_update = 1; break; case PROP_Y_OFFSET: text->yofs = g_value_get_double (value); text->needs_recalc_bounds = 1; needs_update = 1; break; case PROP_FILL_COLOR: if (g_value_get_string (value)) gdk_color_parse (g_value_get_string (value), &color); text->rgba = ((color.red & 0xff00) << 16 | (color.green & 0xff00) << 8 | (color.blue & 0xff00) | 0xff); color_changed = TRUE; break; case PROP_FILL_COLOR_GDK: pcolor = g_value_get_boxed (value); if (pcolor) { color = *pcolor; } text->rgba = ((color.red & 0xff00) << 16 | (color.green & 0xff00) << 8 | (color.blue & 0xff00) | 0xff); color_changed = TRUE; break; case PROP_FILL_COLOR_RGBA: text->rgba = g_value_get_uint (value); color.red = ((text->rgba >> 24) & 0xff) * 0x101; color.green = ((text->rgba >> 16) & 0xff) * 0x101; color.blue = ((text->rgba >> 8) & 0xff) * 0x101; color_changed = TRUE; break; case PROP_FILL_STIPPLE: set_stipple (text, g_value_get_object (value), FALSE); text->needs_redraw = 1; needs_update = 1; break; case PROP_EDITABLE: text->editable = g_value_get_boolean (value); text->needs_redraw = 1; needs_update = 1; break; case PROP_USE_ELLIPSIS: text->use_ellipsis = g_value_get_boolean (value); needs_reflow = 1; break; case PROP_ELLIPSIS: if (text->ellipsis) g_free (text->ellipsis); text->ellipsis = g_strdup (g_value_get_string (value)); calc_ellipsis (text); needs_reflow = 1; break; case PROP_LINE_WRAP: text->line_wrap = g_value_get_boolean (value); if (text->line_wrap) { if (text->layout) { pango_layout_set_width (text->layout, text->width < 0 ? -1 : text->width * PANGO_SCALE); } } text->needs_split_into_lines = 1; needs_reflow = 1; break; case PROP_BREAK_CHARACTERS: if ( text->break_characters ) { g_free(text->break_characters); text->break_characters = NULL; } if ( g_value_get_string (value) ) text->break_characters = g_strdup( g_value_get_string (value) ); text->needs_split_into_lines = 1; needs_reflow = 1; break; case PROP_MAX_LINES: text->max_lines = g_value_get_int (value); text->needs_split_into_lines = 1; needs_reflow = 1; break; case PROP_WIDTH: text->clip_width = fabs (g_value_get_double (value)); calc_ellipsis (text); if ( text->line_wrap ) { if (text->layout) { pango_layout_set_width (text->layout, text->width < 0 ? -1 : text->width * PANGO_SCALE); } text->needs_split_into_lines = 1; } else { text->needs_calc_height = 1; } needs_reflow = 1; break; case PROP_DRAW_BORDERS: if (text->draw_borders != g_value_get_boolean (value)) { text->draw_borders = g_value_get_boolean (value); text->needs_calc_height = 1; text->needs_redraw = 1; needs_reflow = 1; needs_update = 1; } break; case PROP_DRAW_BACKGROUND: if (text->draw_background != g_value_get_boolean (value)) { text->draw_background = g_value_get_boolean (value); text->needs_redraw = 1; } break; case PROP_DRAW_BUTTON: if (text->draw_button != g_value_get_boolean (value)) { text->draw_button = g_value_get_boolean (value); text->needs_redraw = 1; } break; case PROP_ALLOW_NEWLINES: text->allow_newlines = g_value_get_boolean (value); _get_tep(text); g_object_set (text->tep, "allow_newlines", g_value_get_boolean (value), NULL); break; case PROP_CURSOR_POS: { ETextEventProcessorCommand command; command.action = E_TEP_MOVE; command.position = E_TEP_VALUE; command.value = g_value_get_int (value); command.time = GDK_CURRENT_TIME; e_text_command (text->tep, &command, text); break; } case PROP_IM_CONTEXT: if (text->im_context) g_object_unref (text->im_context); text->im_context = g_value_get_object (value); if (text->im_context) g_object_ref (text->im_context); text->need_im_reset = FALSE; break; case PROP_HANDLE_POPUP: text->handle_popup = g_value_get_boolean (value); break; default: return; } if (color_changed) { GdkColormap *colormap = gtk_widget_get_colormap (GTK_WIDGET (item->canvas)); text->color = color; gdk_rgb_find_color (colormap, &text->color); if (!item->canvas->aa) set_text_gc_foreground (text); text->needs_redraw = 1; needs_update = 1; } if ( needs_reflow ) e_canvas_item_request_reflow (item); if ( needs_update ) gnome_canvas_item_request_update (item); } /* Get_arg handler for the text item */ static void e_text_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) { EText *text; text = E_TEXT (object); switch (prop_id) { case PROP_MODEL: g_value_set_object (value, text->model); break; case PROP_EVENT_PROCESSOR: _get_tep(text); g_value_set_object (value, text->tep); break; case PROP_TEXT: g_value_set_string (value, g_strdup (text->text)); break; case PROP_BOLD: g_value_set_boolean (value, text->bold); break; case PROP_STRIKEOUT: g_value_set_boolean (value, text->strikeout); break; case PROP_ANCHOR: g_value_set_enum (value, text->anchor); break; case PROP_JUSTIFICATION: g_value_set_enum (value, text->justification); break; case PROP_CLIP_WIDTH: g_value_set_double (value, text->clip_width); break; case PROP_CLIP_HEIGHT: g_value_set_double (value, text->clip_height); break; case PROP_CLIP: g_value_set_boolean (value, text->clip); break; case PROP_FILL_CLIP_RECTANGLE: g_value_set_boolean (value, text->fill_clip_rectangle); break; case PROP_X_OFFSET: g_value_set_double (value, text->xofs); break; case PROP_Y_OFFSET: g_value_set_double (value, text->yofs); break; case PROP_FILL_COLOR_GDK: g_value_set_boxed (value, &text->color); break; case PROP_FILL_COLOR_RGBA: g_value_set_uint (value, text->rgba); break; case PROP_FILL_STIPPLE: g_value_set_object (value, text->stipple); break; case PROP_TEXT_WIDTH: g_value_set_double (value, text->width / text->item.canvas->pixels_per_unit); break; case PROP_TEXT_HEIGHT: g_value_set_double (value, text->height / text->item.canvas->pixels_per_unit); break; case PROP_EDITABLE: g_value_set_boolean (value, text->editable); break; case PROP_USE_ELLIPSIS: g_value_set_boolean (value, text->use_ellipsis); break; case PROP_ELLIPSIS: g_value_set_string (value, g_strdup (text->ellipsis)); break; case PROP_LINE_WRAP: g_value_set_boolean (value, text->line_wrap); break; case PROP_BREAK_CHARACTERS: g_value_set_string (value, g_strdup (text->break_characters)); break; case PROP_MAX_LINES: g_value_set_int (value, text->max_lines); break; case PROP_WIDTH: g_value_set_double (value, text->clip_width); break; case PROP_HEIGHT: g_value_set_double (value, text->clip && text->clip_height != -1 ? text->clip_height : text->height / text->item.canvas->pixels_per_unit); break; case PROP_DRAW_BORDERS: g_value_set_boolean (value, text->draw_borders); break; case PROP_DRAW_BACKGROUND: g_value_set_boolean (value, text->draw_background); break; case PROP_DRAW_BUTTON: g_value_set_boolean (value, text->draw_button); break; case PROP_ALLOW_NEWLINES: g_value_set_boolean (value, text->allow_newlines); break; case PROP_CURSOR_POS: g_value_set_int (value, text->selection_start); break; case PROP_IM_CONTEXT: g_value_set_object (value, text->im_context); break; case PROP_HANDLE_POPUP: g_value_set_boolean (value, text->handle_popup); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } /* Update handler for the text item */ static void e_text_reflow (GnomeCanvasItem *item, int flags) { EText *text; text = E_TEXT (item); if (text->needs_reset_layout) { reset_layout (text); text->needs_reset_layout = 0; text->needs_calc_height = 1; } if (text->needs_split_into_lines) { split_into_lines (text); text->needs_split_into_lines = 0; text->needs_calc_height = 1; } if ( text->needs_calc_height ) { calc_height (text); gnome_canvas_item_request_update(item); text->needs_calc_height = 0; text->needs_recalc_bounds = 1; } } /* Update handler for the text item */ static void e_text_update (GnomeCanvasItem *item, double *affine, ArtSVP *clip_path, int flags) { EText *text; double x1, y1, x2, y2; text = E_TEXT (item); if (GNOME_CANVAS_ITEM_CLASS (e_text_parent_class)->update) (* GNOME_CANVAS_ITEM_CLASS (e_text_parent_class)->update) (item, affine, clip_path, flags); if ( text->needs_recalc_bounds || (flags & GNOME_CANVAS_UPDATE_AFFINE)) { if (!item->canvas->aa) { set_text_gc_foreground (text); set_stipple (text, text->stipple, TRUE); get_bounds (text, &x1, &y1, &x2, &y2); if ( item->x1 != x1 || item->x2 != x2 || item->y1 != y1 || item->y2 != y2 ) { gnome_canvas_request_redraw (item->canvas, item->x1, item->y1, item->x2, item->y2); item->x1 = x1; item->y1 = y1; item->x2 = x2; item->y2 = y2; text->needs_redraw = 1; item->canvas->need_repick = TRUE; } if (!text->fill_clip_rectangle) item->canvas->need_repick = TRUE; } text->needs_recalc_bounds = 0; } if ( text->needs_redraw ) { gnome_canvas_request_redraw (item->canvas, item->x1, item->y1, item->x2, item->y2); text->needs_redraw = 0; } } /* Realize handler for the text item */ static void e_text_realize (GnomeCanvasItem *item) { EText *text; text = E_TEXT (item); if (GNOME_CANVAS_ITEM_CLASS (e_text_parent_class)->realize) (* GNOME_CANVAS_ITEM_CLASS (e_text_parent_class)->realize) (item); create_layout (text); text->gc = gdk_gc_new (item->canvas->layout.bin_window); /* FIXME: Color brokenness ... */ #if 0 gdk_color_context_query_color (item->canvas->cc, &text->color); gdk_gc_set_foreground (text->gc, &text->color); #endif text->i_cursor = gdk_cursor_new (GDK_XTERM); text->default_cursor = gdk_cursor_new (GDK_LEFT_PTR); } /* Unrealize handler for the text item */ static void e_text_unrealize (GnomeCanvasItem *item) { EText *text; text = E_TEXT (item); g_object_unref (text->gc); text->gc = NULL; gdk_cursor_unref (text->i_cursor); text->i_cursor = NULL; gdk_cursor_unref (text->default_cursor); text->default_cursor = NULL; if (GNOME_CANVAS_ITEM_CLASS (e_text_parent_class)->unrealize) (* GNOME_CANVAS_ITEM_CLASS (e_text_parent_class)->unrealize) (item); } static void _get_tep(EText *text) { if (!text->tep) { text->tep = e_text_event_processor_emacs_like_new(); text->tep_command_id = g_signal_connect(text->tep, "command", G_CALLBACK(e_text_command), text); } } static void draw_pango_rectangle (GdkDrawable *drawable, GdkGC *gc, int x1, int y1, PangoRectangle rect) { int width = rect.width / PANGO_SCALE; int height = rect.height / PANGO_SCALE; if (width <= 0) width = 1; if (height <= 0) height = 1; gdk_draw_rectangle (drawable, gc, TRUE, x1 + rect.x / PANGO_SCALE, y1 + rect.y / PANGO_SCALE, width, height); } static gboolean show_pango_rectangle (EText *text, PangoRectangle rect) { int x1 = rect.x / PANGO_SCALE; int x2 = (rect.x + rect.width) / PANGO_SCALE; int y1 = rect.y / PANGO_SCALE; int y2 = (rect.y + rect.height) / PANGO_SCALE; int new_xofs_edit = text->xofs_edit; int new_yofs_edit = text->yofs_edit; int clip_width, clip_height; clip_width = text->clip_width; if (clip_width >= 0 && text->draw_borders) { clip_width -= 6; if (clip_width < 0) clip_width = 0; } clip_height = text->clip_height; if (clip_height >= 0 && text->draw_borders) { clip_height -= 6; if (clip_height < 0) clip_height = 0; } if (x1 < new_xofs_edit) new_xofs_edit = x1; if (y1 < new_yofs_edit) new_yofs_edit = y1; if (clip_width >= 0) { if (2 + x2 - clip_width > new_xofs_edit) new_xofs_edit = 2 + x2 - clip_width; } else { new_xofs_edit = 0; } if (clip_height >= 0) { if (y2 - clip_height > new_yofs_edit) new_yofs_edit = y2 - clip_height; } else { new_yofs_edit = 0; } if (new_xofs_edit < 0) new_xofs_edit = 0; if (new_yofs_edit < 0) new_yofs_edit = 0; if (new_xofs_edit != text->xofs_edit || new_yofs_edit != text->yofs_edit) { text->xofs_edit = new_xofs_edit; text->yofs_edit = new_yofs_edit; return TRUE; } return FALSE; } /* Draw handler for the text item */ static void e_text_draw (GnomeCanvasItem *item, GdkDrawable *drawable, int x, int y, int width, int height) { EText *text; GdkRectangle rect, *clip_rect; int xpos, ypos; GdkGC *main_gc; GnomeCanvas *canvas; GtkWidget *widget; text = E_TEXT (item); canvas = GNOME_CANVAS_ITEM(text)->canvas; widget = GTK_WIDGET(canvas); if (text->draw_background || text->draw_button) { main_gc = widget->style->fg_gc[GTK_WIDGET_STATE (widget)]; } else { main_gc = text->gc; } if (text->draw_borders || text->draw_background) { gdouble thisx = item->x1 - x; gdouble thisy = item->y1 - y; gdouble thiswidth, thisheight; widget = GTK_WIDGET(item->canvas); g_object_get(text, "width", &thiswidth, "height", &thisheight, NULL); if (text->draw_borders){ gtk_paint_shadow (widget->style, drawable, GTK_STATE_NORMAL, GTK_SHADOW_IN, NULL, widget, "entry", thisx, thisy, thiswidth, thisheight); } if (text->draw_background) { gtk_paint_flat_box (widget->style, drawable, GTK_WIDGET_STATE(widget), GTK_SHADOW_NONE, NULL, widget, "entry_bg", thisx + widget->style->xthickness, thisy + widget->style->ythickness, thiswidth - widget->style->xthickness * 2, thisheight - widget->style->ythickness * 2); } } if (text->draw_button) { int xoff = item->x1 - x; int yoff = item->y1 - y; widget = GTK_WIDGET (item->canvas); xoff -= widget->allocation.x; yoff -= widget->allocation.y; widget = widget->parent; while (widget && !GTK_IS_BUTTON(widget)) { if (!GTK_WIDGET_NO_WINDOW (widget)) { widget = NULL; break; } widget = widget->parent; } if (widget) { GtkButton *button = GTK_BUTTON (widget); GtkShadowType shadow_type; int thisx, thisy, thisheight, thiswidth; int default_spacing; GdkRectangle area; area.x = 0; area.y = 0; area.width = width; area.height = height; #define DEFAULT_SPACING 7 #if 0 default_spacing = gtk_style_get_prop_experimental (widget->style, "GtkButton::default_spacing", DEFAULT_SPACING); #endif default_spacing = 7; thisx = 0; thisy = 0; thiswidth = widget->allocation.width - GTK_CONTAINER (widget)->border_width * 2; thisheight = widget->allocation.height - GTK_CONTAINER (widget)->border_width * 2; if (GTK_WIDGET_HAS_DEFAULT (widget) && GTK_BUTTON (widget)->relief == GTK_RELIEF_NORMAL) { gtk_paint_box (widget->style, drawable, GTK_STATE_NORMAL, GTK_SHADOW_IN, &area, widget, "buttondefault", thisx + xoff, thisy + yoff, thiswidth, thisheight); } if (GTK_WIDGET_CAN_DEFAULT (widget)) { thisx += widget->style->xthickness; thisy += widget->style->ythickness; thiswidth -= 2 * thisx + default_spacing; thisheight -= 2 * thisy + default_spacing; thisx += (1 + default_spacing) / 2; thisy += (1 + default_spacing) / 2; } if (GTK_WIDGET_HAS_FOCUS (widget)) { thisx += 1; thisy += 1; thiswidth -= 2; thisheight -= 2; } if (GTK_WIDGET_STATE (widget) == GTK_STATE_ACTIVE) shadow_type = GTK_SHADOW_IN; else shadow_type = GTK_SHADOW_OUT; if ((button->relief != GTK_RELIEF_NONE) || ((GTK_WIDGET_STATE(widget) != GTK_STATE_NORMAL) && (GTK_WIDGET_STATE(widget) != GTK_STATE_INSENSITIVE))) gtk_paint_box (widget->style, drawable, GTK_WIDGET_STATE (widget), shadow_type, &area, widget, "button", thisx + xoff, thisy + yoff, thiswidth, thisheight); if (GTK_WIDGET_HAS_FOCUS (widget)) { thisx -= 1; thisy -= 1; thiswidth += 2; thisheight += 2; gtk_paint_focus (widget->style, widget->window, GTK_WIDGET_STATE (widget), &area, widget, "button", thisx + xoff, thisy + yoff, thiswidth - 1, thisheight - 1); } } } /* Insert preedit text only when im_context signals are connected & * text->preedit_len is not zero */ if (text->im_context_signals_registered && text->preedit_len) insert_preedit_text (text); /* Need to reset the layout to cleanly clear the preedit buffer when * typing in CJK & using backspace on the preedit */ if(!text->preedit_len) reset_layout (text); if (!pango_layout_get_text (text->layout)) return; if (text->stipple) gnome_canvas_set_stipple_origin (item->canvas, main_gc); xpos = text->text_cx; ypos = text->text_cy; xpos = xpos - x + text->xofs; ypos = ypos - y + text->yofs; clip_rect = NULL; if (text->clip) { rect.x = xpos; rect.y = ypos; rect.width = text->clip_cwidth - text->xofs; rect.height = text->clip_cheight - text->yofs; gdk_gc_set_clip_rectangle (main_gc, &rect); clip_rect = &rect; } if (text->editing) { xpos -= text->xofs_edit; ypos -= text->yofs_edit; } gdk_draw_layout (drawable, main_gc, xpos, ypos, text->layout); if (text->editing) { if (text->selection_start != text->selection_end) { PangoLayoutIter *iter; GdkRegion *clip_region = gdk_region_new (); GdkGC *selection_gc; GdkGC *text_gc; int start_index, end_index; start_index = MIN (text->selection_start, text->selection_end); end_index = MAX (text->selection_start, text->selection_end); /* convert these into byte indices */ start_index = g_utf8_offset_to_pointer(text->text, start_index) - text->text; end_index = g_utf8_offset_to_pointer(text->text, end_index) - text->text; if (text->has_selection) { selection_gc = widget->style->base_gc [GTK_STATE_SELECTED]; text_gc = widget->style->text_gc[GTK_STATE_SELECTED]; } else { selection_gc = widget->style->base_gc [GTK_STATE_ACTIVE]; text_gc = widget->style->text_gc[GTK_STATE_ACTIVE]; } gdk_gc_set_clip_rectangle (selection_gc, clip_rect); iter = pango_layout_get_iter (text->layout); do { PangoLayoutLine *line = pango_layout_iter_get_line (iter); gint n_ranges, i; gint *ranges; int y0, y1; int s, e; if (start_index < line->start_index + line->length && end_index > line->start_index) { if (start_index <= line->start_index) s = line->start_index; else s = start_index; if (end_index > line->start_index + line->length) e = line->start_index + line->length; else e = end_index; pango_layout_line_get_x_ranges (line, s, e, &ranges, &n_ranges); pango_layout_iter_get_line_yrange (iter, &y0, &y1); for (i=0; i < n_ranges; i++) { GdkRectangle sel_rect; sel_rect.x = xpos + PANGO_PIXELS (ranges[2*i]); sel_rect.y = ypos + PANGO_PIXELS (y0); sel_rect.width = (ranges[2*i + 1] - ranges[2*i]) / PANGO_SCALE; sel_rect.height = (y1 - y0 + PANGO_SCALE / 2) / PANGO_SCALE; gdk_draw_rectangle (drawable, selection_gc, TRUE, sel_rect.x, sel_rect.y, sel_rect.width, sel_rect.height); gdk_region_union_with_rect (clip_region, &sel_rect); } g_free (ranges); } } while (pango_layout_iter_next_line (iter)); pango_layout_iter_free (iter); if (clip_rect) { GdkRegion *rect_region = gdk_region_rectangle (clip_rect); gdk_region_intersect (clip_region, rect_region); gdk_region_destroy (rect_region); } gdk_gc_set_clip_region (text_gc, clip_region); gdk_draw_layout (drawable, text_gc, xpos, ypos, text->layout); gdk_gc_set_clip_region (text_gc, NULL); gdk_gc_set_clip_region (selection_gc, NULL); gdk_region_destroy (clip_region); } else { if (text->show_cursor) { PangoRectangle strong_pos, weak_pos; char *offs = g_utf8_offset_to_pointer (text->text, text->selection_start); pango_layout_get_cursor_pos (text->layout, offs - text->text + text->preedit_len, &strong_pos, &weak_pos); draw_pango_rectangle (drawable, main_gc, xpos, ypos, strong_pos); if (strong_pos.x != weak_pos.x || strong_pos.y != weak_pos.y || strong_pos.width != weak_pos.width || strong_pos.height != weak_pos.height) draw_pango_rectangle (drawable, main_gc, xpos, ypos, weak_pos); } } } if (text->clip) { gdk_gc_set_clip_rectangle (main_gc, NULL); } } /* Point handler for the text item */ static double e_text_point (GnomeCanvasItem *item, double x, double y, int cx, int cy, GnomeCanvasItem **actual_item) { EText *text; double clip_width; double clip_height; text = E_TEXT (item); *actual_item = item; /* The idea is to build bounding rectangles for each of the lines of * text (clipped by the clipping rectangle, if it is activated) and see * whether the point is inside any of these. If it is, we are done. * Otherwise, calculate the distance to the nearest rectangle. */ if (text->clip_width < 0) clip_width = text->width; else clip_width = text->clip_width; if ( text->clip_height < 0 ) clip_height = text->height; else clip_height = text->clip_height; /* Get canvas pixel coordinates for clip rectangle position */ clip_width = clip_width * item->canvas->pixels_per_unit; clip_height = clip_height * item->canvas->pixels_per_unit; if (cx < text->clip_cx || cx > text->clip_cx + clip_width || cy < text->clip_cy || cy > text->clip_cy + clip_height) return 1; if (text->fill_clip_rectangle) return 0; cx -= text->cx; if (pango_layout_xy_to_index (text->layout, cx, cy, NULL, NULL)) return 0; return 1; } /* Bounds handler for the text item */ static void e_text_bounds (GnomeCanvasItem *item, double *x1, double *y1, double *x2, double *y2) { EText *text; double width, height; text = E_TEXT (item); *x1 = 0; *y1 = 0; width = text->width; height = text->height; if (text->clip) { if (text->clip_width >= 0) width = text->clip_width; if ( text->clip_height >= 0 ) height = text->clip_height; } width = width / item->canvas->pixels_per_unit; height = height / item->canvas->pixels_per_unit; switch (text->anchor) { case GTK_ANCHOR_NW: case GTK_ANCHOR_W: case GTK_ANCHOR_SW: break; case GTK_ANCHOR_N: case GTK_ANCHOR_CENTER: case GTK_ANCHOR_S: *x1 -= width / 2.0; break; case GTK_ANCHOR_NE: case GTK_ANCHOR_E: case GTK_ANCHOR_SE: *x1 -= width; break; } switch (text->anchor) { case GTK_ANCHOR_NW: case GTK_ANCHOR_N: case GTK_ANCHOR_NE: break; case GTK_ANCHOR_W: case GTK_ANCHOR_CENTER: case GTK_ANCHOR_E: *y1 -= height / 2.0; break; case GTK_ANCHOR_SW: case GTK_ANCHOR_S: case GTK_ANCHOR_SE: *y1 -= height; break; } *x2 = *x1 + width; *y2 = *y1 + height; } static gint get_position_from_xy (EText *text, gint x, gint y) { int index; int trailing; if (text->draw_borders) { x -= BORDER_INDENT; y -= BORDER_INDENT; } x -= text->xofs; y -= text->yofs; if (text->editing) { x += text->xofs_edit; y += text->yofs_edit; } x -= text->cx; y -= text->cy; pango_layout_xy_to_index (text->layout, x * PANGO_SCALE, y * PANGO_SCALE, &index, &trailing); return g_utf8_pointer_to_offset (text->text, text->text + index + trailing); } #define SCROLL_WAIT_TIME 30000 static gboolean _blink_scroll_timeout (gpointer data) { EText *text = E_TEXT(data); gulong current_time; gboolean scroll = FALSE; gboolean redraw = FALSE; g_timer_elapsed(text->timer, &current_time); if (text->scroll_start + SCROLL_WAIT_TIME > 1000000) { if (current_time > text->scroll_start - (1000000 - SCROLL_WAIT_TIME) && current_time < text->scroll_start) scroll = TRUE; } else { if (current_time > text->scroll_start + SCROLL_WAIT_TIME || current_time < text->scroll_start) scroll = TRUE; } if (scroll && text->button_down && text->clip) { int old_xofs_edit = text->xofs_edit; int old_yofs_edit = text->yofs_edit; if (text->clip_cwidth >= 0 && text->lastx - text->clip_cx > text->clip_cwidth && text->xofs_edit < text->width - text->clip_cwidth) { text->xofs_edit += 4; if (text->xofs_edit > text->width - text->clip_cwidth + 1) text->xofs_edit = text->width - text->clip_cwidth + 1; } if (text->lastx - text->clip_cx < 0 && text->xofs_edit > 0) { text->xofs_edit -= 4; if (text->xofs_edit < 0) text->xofs_edit = 0; } if (text->clip_cheight >= 0 && text->lasty - text->clip_cy > text->clip_cheight && text->yofs_edit < text->height - text->clip_cheight) { text->yofs_edit += 4; if (text->yofs_edit > text->height - text->clip_cheight + 1) text->yofs_edit = text->height - text->clip_cheight + 1; } if (text->lasty - text->clip_cy < 0 && text->yofs_edit > 0) { text->yofs_edit -= 4; if (text->yofs_edit < 0) text->yofs_edit = 0; } if (old_xofs_edit != text->xofs_edit || old_yofs_edit != text->yofs_edit) { ETextEventProcessorEvent e_tep_event; e_tep_event.type = GDK_MOTION_NOTIFY; e_tep_event.motion.state = text->last_state; e_tep_event.motion.time = 0; e_tep_event.motion.position = get_position_from_xy(text, text->lastx, text->lasty); _get_tep(text); e_text_event_processor_handle_event (text->tep, &e_tep_event); text->scroll_start = current_time; redraw = TRUE; } } if (!((current_time / 500000) % 2)) { if (!text->show_cursor) redraw = TRUE; text->show_cursor = TRUE; } else { if (text->show_cursor) redraw = TRUE; text->show_cursor = FALSE; } if (redraw) { text->needs_redraw = 1; gnome_canvas_item_request_update (GNOME_CANVAS_ITEM(text)); } return TRUE; } static gboolean tooltip_event(GtkWidget *tooltip, GdkEvent *event, EText *text) { gint ret_val = FALSE; if (!text->model) return FALSE; switch (event->type) { case GDK_LEAVE_NOTIFY: e_canvas_hide_tooltip (E_CANVAS(GNOME_CANVAS_ITEM(text)->canvas)); break; case GDK_BUTTON_PRESS: case GDK_BUTTON_RELEASE: if (event->type == GDK_BUTTON_RELEASE) { e_canvas_hide_tooltip (E_CANVAS(GNOME_CANVAS_ITEM(text)->canvas)); } /* Forward events to the text item */ g_signal_emit_by_name (text, "event", event, &ret_val); if (!ret_val) gtk_propagate_event (GTK_WIDGET(GNOME_CANVAS_ITEM(text)->canvas), event); ret_val = TRUE; default: break; } return ret_val; } static gboolean tooltip_ungrab (GtkWidget *tooltip, GdkEvent *event, EText *text) { gdk_keyboard_ungrab(GDK_CURRENT_TIME); e_canvas_hide_tooltip (E_CANVAS(GNOME_CANVAS_ITEM(text)->canvas)); gtk_propagate_event (GTK_WIDGET(GNOME_CANVAS_ITEM(text)->canvas), event); return TRUE; } static void tooltip_destroy(gpointer data, GObject *where_object_was) { EText *text = data; text->tooltip_owner = FALSE; g_object_unref (text); } static gboolean _do_tooltip (gpointer data) { /* FIXME: need to sort out tooltip stuff. */ EText *text = E_TEXT (data); GtkWidget *canvas; int i; int max_width; gboolean cut_off; double i2c[6]; ArtPoint origin = {0, 0}; ArtPoint pixel_origin; int canvas_x, canvas_y; GnomeCanvasItem *tooltip_text; double tooltip_width; double tooltip_height; double tooltip_x; double tooltip_y; #if 0 double x1, x2, y1, y2; #endif GnomeCanvasItem *rect; GtkWidget *tooltip_window; /* GtkWindow for displaying the tooltip */ text->tooltip_count = 0; if (E_CANVAS(GNOME_CANVAS_ITEM(text)->canvas)->tooltip_window || text->editing || !text->num_lines) { text->tooltip_timeout = 0; return FALSE; } cut_off = FALSE; for ( i = 0; i < text->num_lines; i++ ) { PangoLayoutLine *line = pango_layout_get_line (text->layout, i); PangoRectangle pango_rect; pango_layout_line_get_pixel_extents (line, &pango_rect, NULL); if (pango_rect.width > text->clip_width) { cut_off = TRUE; break; } } if ( ! cut_off ) { text->tooltip_timeout = 0; return FALSE; } gnome_canvas_item_i2c_affine(GNOME_CANVAS_ITEM(text), i2c); art_affine_point (&pixel_origin, &origin, i2c); gdk_window_get_origin (GTK_WIDGET(GNOME_CANVAS_ITEM(text)->canvas)->window, &canvas_x, &canvas_y); pixel_origin.x += canvas_x; pixel_origin.y += canvas_y; pixel_origin.x -= (int) gtk_layout_get_hadjustment(GTK_LAYOUT(GNOME_CANVAS_ITEM(text)->canvas))->value; pixel_origin.y -= (int) gtk_layout_get_vadjustment(GTK_LAYOUT(GNOME_CANVAS_ITEM(text)->canvas))->value; tooltip_window = gtk_window_new (GTK_WINDOW_POPUP); gtk_container_set_border_width (GTK_CONTAINER (tooltip_window), 1); canvas = e_canvas_new (); gtk_container_add (GTK_CONTAINER (tooltip_window), canvas); /* Get the longest line length */ pango_layout_get_size (text->layout, &max_width, NULL); rect = gnome_canvas_item_new (gnome_canvas_root (GNOME_CANVAS (canvas)), gnome_canvas_rect_get_type (), "x1", (double) 0, "y1", (double) 0, "x2", (double) max_width + 4, "y2", (double) text->height + 4, NULL); tooltip_text = gnome_canvas_item_new (gnome_canvas_root (GNOME_CANVAS (canvas)), e_text_get_type (), "anchor", GTK_ANCHOR_NW, "bold", text->bold, "strikeout", text->strikeout, "text", text->text, "editable", FALSE, "clip_width", text->max_lines != 1 ? text->clip_width : max_width, "clip_height", text->max_lines != 1 ? -1 : (double)text->height, "clip", TRUE, "line_wrap", text->line_wrap, "justification", text->justification, NULL); if (text->draw_borders) e_canvas_item_move_absolute(tooltip_text, 1 + BORDER_INDENT, 1 + BORDER_INDENT); else e_canvas_item_move_absolute(tooltip_text, 1, 1); create_layout (E_TEXT (tooltip_text)); split_into_lines (E_TEXT(tooltip_text)); calc_height (E_TEXT(tooltip_text)); gnome_canvas_item_set (tooltip_text, "clip_height", (double) E_TEXT(tooltip_text)->height, "clip_width", (double) E_TEXT(tooltip_text)->width, NULL); tooltip_width = E_TEXT(tooltip_text)->width; tooltip_height = E_TEXT(tooltip_text)->height; tooltip_x = 0; tooltip_y = 0; switch(E_TEXT(tooltip_text)->justification) { case GTK_JUSTIFY_CENTER: tooltip_x = - tooltip_width / 2; break; case GTK_JUSTIFY_RIGHT: tooltip_x = tooltip_width / 2; break; case GTK_JUSTIFY_FILL: case GTK_JUSTIFY_LEFT: tooltip_x = 0; break; } switch(text->anchor) { case GTK_ANCHOR_NW: case GTK_ANCHOR_N: case GTK_ANCHOR_NE: break; case GTK_ANCHOR_W: case GTK_ANCHOR_CENTER: case GTK_ANCHOR_E: tooltip_y -= tooltip_height / 2.0; break; case GTK_ANCHOR_SW: case GTK_ANCHOR_S: case GTK_ANCHOR_SE: tooltip_y -= tooltip_height; break; } switch(E_TEXT(tooltip_text)->anchor) { case GTK_ANCHOR_NW: case GTK_ANCHOR_W: case GTK_ANCHOR_SW: break; case GTK_ANCHOR_N: case GTK_ANCHOR_CENTER: case GTK_ANCHOR_S: tooltip_x -= tooltip_width / 2.0; break; case GTK_ANCHOR_NE: case GTK_ANCHOR_E: case GTK_ANCHOR_SE: tooltip_x -= tooltip_width; break; } gnome_canvas_item_set(rect, "x2", (double) tooltip_width + 4 + (text->draw_borders ? BORDER_INDENT * 2 : 0), "y2", (double) tooltip_height + 4 + (text->draw_borders ? BORDER_INDENT * 2 : 0), NULL); gtk_widget_show (canvas); gtk_widget_realize (tooltip_window); gtk_widget_set_size_request (tooltip_window, tooltip_width + 4 + (text->draw_borders ? BORDER_INDENT * 2 : 0), tooltip_height + 4 + (text->draw_borders ? BORDER_INDENT * 2 : 0)); gnome_canvas_set_scroll_region (GNOME_CANVAS(canvas), 0.0, 0.0, tooltip_width + (text->draw_borders ? BORDER_INDENT * 2 : 0), (double)tooltip_height + (text->draw_borders ? BORDER_INDENT * 2 : 0)); g_signal_connect (tooltip_window, "event", G_CALLBACK(tooltip_event), text); g_object_weak_ref (G_OBJECT (tooltip_window), tooltip_destroy, text); g_object_ref (text); e_canvas_popup_tooltip (E_CANVAS(GNOME_CANVAS_ITEM(text)->canvas), tooltip_window, pixel_origin.x - 2 + tooltip_x, pixel_origin.y - 2 + tooltip_y); gdk_keyboard_grab (tooltip_window->window, FALSE, GDK_CURRENT_TIME); g_signal_connect (tooltip_window, "key-press-event", G_CALLBACK (tooltip_ungrab), text); text->tooltip_owner = TRUE; text->tooltip_timeout = 0; return FALSE; } static void start_editing (EText *text) { if (text->editing) return; g_free (text->revert); text->revert = g_strdup (text->text); text->editing = TRUE; if (text->pointer_in) { if (text->default_cursor_shown && (!text->draw_borders)) { gdk_window_set_cursor (GTK_WIDGET (GNOME_CANVAS_ITEM (text)->canvas)->window, text->i_cursor); text->default_cursor_shown = FALSE; } } text->select_by_word = FALSE; text->xofs_edit = 0; text->yofs_edit = 0; if (text->timeout_id == 0) text->timeout_id = g_timeout_add(10, _blink_scroll_timeout, text); text->timer = g_timer_new(); g_timer_elapsed(text->timer, &(text->scroll_start)); g_timer_start(text->timer); } void e_text_stop_editing (EText *text) { if (!text->editing) return; g_free (text->revert); text->revert = NULL; text->editing = FALSE; if ( (!text->default_cursor_shown) && (!text->draw_borders) ) { gdk_window_set_cursor (GTK_WIDGET (GNOME_CANVAS_ITEM (text)->canvas)->window, text->default_cursor); text->default_cursor_shown = TRUE; } if (text->timer) { g_timer_stop(text->timer); g_timer_destroy(text->timer); text->timer = NULL; } } void e_text_cancel_editing (EText *text) { if (text->revert) e_text_model_set_text(text->model, text->revert); e_text_stop_editing (text); } static gboolean _click (gpointer data) { *(gint *)data = 0; return FALSE; } static gint e_text_event (GnomeCanvasItem *item, GdkEvent *event) { EText *text = E_TEXT(item); ETextEventProcessorEvent e_tep_event; static EText *save_text = NULL; gint return_val = 0; if (!text->model) return 0; e_tep_event.type = event->type; switch (event->type) { case GDK_FOCUS_CHANGE: if (text->editable) { GdkEventFocus *focus_event; focus_event = (GdkEventFocus *) event; if (focus_event->in) { /* Evil hack to disconnect the signal handlers for the previous Etext * which was not disconnected because of being in preedit mode. * In preedit mode the widget can go out of focus due to popups associated * with preedit.,but still the callbacks need to be connected. * Here when a new text widget comes into focus we can disconnect the * old one.Shouldn't hurt much, as in worst case, save_text which should * be disconnected will be overwritten and we will have signal * handlers connect to multiple e-texts but with subsequent commit these * should go away. */ if (save_text && save_text->im_context) { g_signal_handlers_disconnect_matched (save_text->im_context, G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, save_text); save_text->im_context_signals_registered = FALSE; } if (text->im_context) { if (!text->im_context_signals_registered) { g_signal_connect (text->im_context, "commit", G_CALLBACK (e_text_commit_cb), text); g_signal_connect (text->im_context, "preedit_changed", G_CALLBACK (e_text_preedit_changed_cb), text); g_signal_connect (text->im_context, "retrieve_surrounding", G_CALLBACK (e_text_retrieve_surrounding_cb), text); g_signal_connect (text->im_context, "delete_surrounding", G_CALLBACK (e_text_delete_surrounding_cb), text); text->im_context_signals_registered = TRUE; } } start_editing (text); text->show_cursor = FALSE; /* so we'll redraw and the cursor will be shown */ } else { /* Incase we are not disconnecting the signals * for text, we are saving text for * disconnecting in the next focus_in. */ if (!text->preedit_len && text->im_context) { g_signal_handlers_disconnect_matched (text->im_context, G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, text); text->im_context_signals_registered = FALSE; } else { save_text = text; } e_text_stop_editing (text); if (text->timeout_id) { g_source_remove(text->timeout_id); text->timeout_id = 0; } if (text->show_cursor || text->draw_borders) { text->show_cursor = FALSE; text->needs_redraw = 1; gnome_canvas_item_request_update (GNOME_CANVAS_ITEM(text)); } } if ( text->line_wrap ) text->needs_split_into_lines = 1; e_canvas_item_request_reflow (GNOME_CANVAS_ITEM(text)); } return_val = 0; break; case GDK_KEY_PRESS: /* Handle S-F10 key binding here. */ if (event->key.keyval == GDK_F10 && (event->key.state & GDK_SHIFT_MASK) && text->handle_popup ){ /* Simulate a GdkEventButton here, so that we can call e_text_do_popup directly */ GdkEventButton *button = (GdkEventButton *) gdk_event_new (GDK_BUTTON_PRESS); button->time = event->key.time; button->button = 0; e_text_do_popup (text, button, 0); return 1; } /* Fall Through */ case GDK_KEY_RELEASE: if (text->tooltip_count > 0) text->tooltip_count --; if ( text->tooltip_count == 0 && text->clip) { if ( text->tooltip_timeout ) { g_source_remove (text->tooltip_timeout); text->tooltip_timeout = 0; } } if (text->editing) { GdkEventKey key; gint ret; if (text->im_context && gtk_im_context_filter_keypress (text->im_context, (GdkEventKey*)event)) { text->need_im_reset = TRUE; return 1; } key = event->key; e_tep_event.key.time = key.time; e_tep_event.key.state = key.state; e_tep_event.key.keyval = key.keyval; /* This is probably ugly hack, but we have to handle UTF-8 input somehow */ #if 0 e_tep_event.key.length = key.length; e_tep_event.key.string = key.string; #else e_tep_event.key.string = e_utf8_from_gtk_event_key (GTK_WIDGET (item->canvas), key.keyval, key.string); if (e_tep_event.key.string != NULL) { e_tep_event.key.length = strlen (e_tep_event.key.string); } else { e_tep_event.key.length = 0; } #endif _get_tep(text); ret = e_text_event_processor_handle_event (text->tep, &e_tep_event); if (event->type == GDK_KEY_PRESS) g_signal_emit (text, e_text_signals[E_TEXT_KEYPRESS], 0, e_tep_event.key.keyval, e_tep_event.key.state); if (e_tep_event.key.string) g_free (e_tep_event.key.string); return ret; } break; case GDK_BUTTON_PRESS: /* Fall Through */ case GDK_BUTTON_RELEASE: if (text->tooltip_timeout) { g_source_remove (text->tooltip_timeout); text->tooltip_timeout = 0; } e_canvas_hide_tooltip (E_CANVAS(GNOME_CANVAS_ITEM(text)->canvas)); #if 0 if ((!text->editing) && text->editable && event->type == GDK_BUTTON_RELEASE && event->button.button == 1) { GdkEventButton button = event->button; e_canvas_item_grab_focus (item, TRUE); e_tep_event.type = GDK_BUTTON_RELEASE; e_tep_event.button.time = button.time; e_tep_event.button.state = button.state; e_tep_event.button.button = button.button; e_tep_event.button.position = get_position_from_xy(text, button.x, button.y); _get_tep(text); return_val = e_text_event_processor_handle_event (text->tep, &e_tep_event); e_tep_event.type = GDK_BUTTON_RELEASE; } #else if ((!text->editing) && text->editable && (event->button.button == 1 || event->button.button == 2)) { e_canvas_item_grab_focus (item, TRUE); start_editing (text); } #endif /* We follow convention and emit popup events on right-clicks. */ if (event->type == GDK_BUTTON_PRESS && event->button.button == 3) { if (text->handle_popup) { e_text_do_popup (text, &(event->button), get_position_from_xy (text, event->button.x, event->button.y)); return 1; } else { break; } } /* Create our own double and triple click events, as gnome-canvas doesn't forward them to us */ if (event->type == GDK_BUTTON_PRESS) { if (text->dbl_timeout == 0 && text->tpl_timeout == 0) { text->dbl_timeout = g_timeout_add (200, _click, &(text->dbl_timeout)); } else { if (text->tpl_timeout == 0) { e_tep_event.type = GDK_2BUTTON_PRESS; text->tpl_timeout = g_timeout_add (200, _click, &(text->tpl_timeout)); } else { e_tep_event.type = GDK_3BUTTON_PRESS; } } } if (text->editing) { GdkEventButton button = event->button; e_tep_event.button.time = button.time; e_tep_event.button.state = button.state; e_tep_event.button.button = button.button; e_tep_event.button.position = get_position_from_xy(text, button.x, button.y); _get_tep(text); return_val = e_text_event_processor_handle_event (text->tep, &e_tep_event); if (event->button.button == 1) { if (event->type == GDK_BUTTON_PRESS) text->button_down = TRUE; else text->button_down = FALSE; } text->lastx = button.x; text->lasty = button.y; text->last_state = button.state; } break; case GDK_MOTION_NOTIFY: if (text->editing) { GdkEventMotion motion = event->motion; e_tep_event.motion.time = motion.time; e_tep_event.motion.state = motion.state; e_tep_event.motion.position = get_position_from_xy(text, motion.x, motion.y); _get_tep(text); return_val = e_text_event_processor_handle_event (text->tep, &e_tep_event); text->lastx = motion.x; text->lasty = motion.y; text->last_state = motion.state; } break; case GDK_ENTER_NOTIFY: { if ( text->tooltip_count == 0 && text->clip) { if (!text->tooltip_timeout) text->tooltip_timeout = g_timeout_add (2000, _do_tooltip, text); } text->tooltip_count ++; } text->pointer_in = TRUE; if (text->editing || text->draw_borders) { if ( text->default_cursor_shown ) { gdk_window_set_cursor(GTK_WIDGET(item->canvas)->window, text->i_cursor); text->default_cursor_shown = FALSE; } } break; case GDK_LEAVE_NOTIFY: if (text->tooltip_count > 0) text->tooltip_count --; if ( text->tooltip_count == 0 && text->clip) { if ( text->tooltip_timeout ) { g_source_remove (text->tooltip_timeout); text->tooltip_timeout = 0; } } text->pointer_in = FALSE; if (text->editing || text->draw_borders) { if ( ! text->default_cursor_shown ) { gdk_window_set_cursor(GTK_WIDGET(item->canvas)->window, text->default_cursor); text->default_cursor_shown = TRUE; } } break; default: break; } if (return_val) return return_val; if (GNOME_CANVAS_ITEM_CLASS(e_text_parent_class)->event) return GNOME_CANVAS_ITEM_CLASS(e_text_parent_class)->event(item, event); else return 0; } void e_text_copy_clipboard (EText *text) { gint selection_start_pos; gint selection_end_pos; selection_start_pos = MIN (text->selection_start, text->selection_end); selection_end_pos = MAX (text->selection_start, text->selection_end); /* convert sel_start/sel_end to byte indices */ selection_start_pos = g_utf8_offset_to_pointer (text->text, selection_start_pos) - text->text; selection_end_pos = g_utf8_offset_to_pointer (text->text, selection_end_pos) - text->text; gtk_clipboard_set_text ( gtk_widget_get_clipboard (GTK_WIDGET (GNOME_CANVAS_ITEM (text)->canvas), GDK_SELECTION_CLIPBOARD), text->text + selection_start_pos, selection_end_pos - selection_start_pos); } void e_text_delete_selection(EText *text) { int sel_start, sel_end; sel_start = MIN(text->selection_start, text->selection_end); sel_end = MAX(text->selection_start, text->selection_end); if (sel_start != sel_end) e_text_model_delete(text->model, sel_start, sel_end - sel_start); } void e_text_cut_clipboard (EText *text) { e_text_copy_clipboard (text); e_text_delete_selection (text); } void e_text_paste_clipboard (EText *text) { ETextEventProcessorCommand command; command.action = E_TEP_PASTE; command.position = E_TEP_SELECTION; command.string = ""; command.value = 0; e_text_command(text->tep, &command, text); } void e_text_select_all (EText *text) { ETextEventProcessorCommand command; command.action = E_TEP_SELECT; command.position = E_TEP_SELECT_ALL; command.string = ""; command.value = 0; e_text_command(text->tep, &command, text); } static void primary_get_cb (GtkClipboard *clipboard, GtkSelectionData *selection_data, guint info, gpointer data) { EText *text = E_TEXT (data); int sel_start, sel_end; sel_start = MIN(text->selection_start, text->selection_end); sel_end = MAX(text->selection_start, text->selection_end); /* convert sel_start/sel_end to byte indices */ sel_start = g_utf8_offset_to_pointer (text->text, sel_start) - text->text; sel_end = g_utf8_offset_to_pointer (text->text, sel_end) - text->text; if (sel_start != sel_end) { gtk_selection_data_set_text (selection_data, text->text + sel_start, sel_end - sel_start); } } static void primary_clear_cb (GtkClipboard *clipboard, gpointer data) { #ifdef notyet /* XXX */ gtk_editable_select_region (GTK_EDITABLE (entry), entry->current_pos, entry->current_pos); #endif } static void e_text_update_primary_selection (EText *text) { static const GtkTargetEntry targets[] = { { "UTF8_STRING", 0, 0 }, { "UTF-8", 0, 0 }, { "STRING", 0, 0 }, { "TEXT", 0, 0 }, { "COMPOUND_TEXT", 0, 0 } }; GtkClipboard *clipboard; clipboard = gtk_widget_get_clipboard (GTK_WIDGET (GNOME_CANVAS_ITEM (text)->canvas), GDK_SELECTION_PRIMARY); if (text->selection_start != text->selection_end) { if (!gtk_clipboard_set_with_owner (clipboard, targets, G_N_ELEMENTS (targets), primary_get_cb, primary_clear_cb, G_OBJECT (text))) primary_clear_cb (clipboard, text); } else { if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (text)) gtk_clipboard_clear (clipboard); } } static void paste_received (GtkClipboard *clipboard, const gchar *text, gpointer data) { EText *etext = E_TEXT (data); if (text && g_utf8_validate (text, strlen (text), NULL)) { if (etext->selection_end != etext->selection_start) e_text_delete_selection (etext); e_text_insert (etext, text); } g_object_unref (etext); } static void e_text_paste (EText *text, GdkAtom selection) { g_object_ref (text); gtk_clipboard_request_text ( gtk_widget_get_clipboard (GTK_WIDGET (GNOME_CANVAS_ITEM (text)->canvas), selection), paste_received, text); } typedef struct { EText *text; GdkEventButton *button; int position; } PopupClosure; static void popup_menu_detach (GtkWidget *attach_widget, GtkMenu *menu) { } static void popup_menu_placement_cb (GtkMenu *menu, gint *x, gint *y, gboolean *push_in, gpointer user_data) { EText *text = E_TEXT(user_data); GnomeCanvasItem *item = &text->item; GnomeCanvas *parent = item->canvas; if (parent){ gdk_window_get_origin (((GtkWidget*) parent)->window, x, y); *x += item->x1 + text->width / 2; *y += item->y1 + text->height / 2; } return; } static void popup_targets_received (GtkClipboard *clipboard, GtkSelectionData *data, gpointer user_data) { PopupClosure *closure = user_data; EText *text = closure->text; GdkEventButton *button = closure->button; int position = closure->position; GtkWidget *popup_menu = gtk_menu_new (); GtkWidget *menuitem, *submenu; g_free (closure); gtk_menu_attach_to_widget (GTK_MENU (popup_menu), GTK_WIDGET(GNOME_CANVAS_ITEM (text)->canvas), popup_menu_detach); /* cut menu item */ menuitem = gtk_image_menu_item_new_from_stock (GTK_STOCK_CUT, NULL); gtk_widget_show (menuitem); gtk_menu_shell_append (GTK_MENU_SHELL (popup_menu), menuitem); g_signal_connect_swapped (menuitem, "activate", G_CALLBACK (e_text_cut_clipboard), text); gtk_widget_set_sensitive (menuitem, text->editable && (text->selection_start != text->selection_end)); /* copy menu item */ menuitem = gtk_image_menu_item_new_from_stock (GTK_STOCK_COPY, NULL); gtk_widget_show (menuitem); gtk_menu_shell_append (GTK_MENU_SHELL (popup_menu), menuitem); g_signal_connect_swapped (menuitem, "activate", G_CALLBACK (e_text_copy_clipboard), text); gtk_widget_set_sensitive (menuitem, text->selection_start != text->selection_end); /* paste menu item */ menuitem = gtk_image_menu_item_new_from_stock (GTK_STOCK_PASTE, NULL); gtk_widget_show (menuitem); gtk_menu_shell_append (GTK_MENU_SHELL (popup_menu), menuitem); g_signal_connect_swapped (menuitem, "activate", G_CALLBACK (e_text_paste_clipboard), text); gtk_widget_set_sensitive (menuitem, text->editable && gtk_selection_data_targets_include_text (data)); menuitem = gtk_menu_item_new_with_label (_("Select All")); gtk_widget_show (menuitem); gtk_menu_shell_append (GTK_MENU_SHELL (popup_menu), menuitem); g_signal_connect_swapped (menuitem, "activate", G_CALLBACK (e_text_select_all), text); gtk_widget_set_sensitive (menuitem, strlen (text->text) > 0); menuitem = gtk_separator_menu_item_new (); gtk_widget_show (menuitem); gtk_menu_shell_append (GTK_MENU_SHELL (popup_menu), menuitem); if (text->im_context && GTK_IS_IM_MULTICONTEXT (text->im_context)) { menuitem = gtk_menu_item_new_with_label (_("Input Methods")); gtk_widget_show (menuitem); submenu = gtk_menu_new (); gtk_menu_item_set_submenu (GTK_MENU_ITEM (menuitem), submenu); gtk_menu_shell_append (GTK_MENU_SHELL (popup_menu), menuitem); gtk_im_multicontext_append_menuitems (GTK_IM_MULTICONTEXT (text->im_context), GTK_MENU_SHELL (submenu)); } g_signal_emit (text, e_text_signals[E_TEXT_POPULATE_POPUP], 0, button, position, popup_menu); /* If invoked by S-F10 key binding, button will be 0. */ if (button->button == 0){ gtk_menu_popup (GTK_MENU (popup_menu), NULL, NULL, popup_menu_placement_cb, (gpointer)text, button->button, GDK_CURRENT_TIME); } else { gtk_menu_popup (GTK_MENU (popup_menu), NULL, NULL, NULL, NULL, button->button, button->time); } g_object_unref (text); gdk_event_free ((GdkEvent *)button); } static void e_text_do_popup (EText *text, GdkEventButton *button, int position) { PopupClosure *closure = g_new (PopupClosure, 1); closure->text = text; g_object_ref (closure->text); closure->button = (GdkEventButton *) gdk_event_copy ((GdkEvent *)button); closure->position = position; gtk_clipboard_request_contents ( gtk_widget_get_clipboard (GTK_WIDGET (GNOME_CANVAS_ITEM (text)->canvas), GDK_SELECTION_CLIPBOARD), gdk_atom_intern ("TARGETS", FALSE), popup_targets_received, closure); } #if 0 static void e_text_reset_im_context (EText *text) { if (text->need_im_reset) { text->need_im_reset = 0; gtk_im_context_reset (text->im_context); } } #endif /* fixme: */ static int next_word (EText *text, int start) { char *p = g_utf8_offset_to_pointer (text->text, start); int length; length = g_utf8_strlen (text->text, -1); if (start >= length) { return length; } else { p = g_utf8_next_char (p); start++; while (p && *p) { gunichar unival = g_utf8_get_char (p); if (g_unichar_isspace (unival)) { return start + 1; } else { p = g_utf8_next_char (p); start++; } } } return g_utf8_pointer_to_offset (text->text, p); } static int find_offset_into_line (EText *text, int offset_into_text, char **start_of_line) { char *p; p = g_utf8_offset_to_pointer (text->text, offset_into_text); if (p == text->text) { if (start_of_line) *start_of_line = (char*)text->text; return 0; } else { p = g_utf8_find_prev_char (text->text, p); while (p && p > text->text) { if (*p == '\n') { if (start_of_line) *start_of_line = p+1; return offset_into_text - g_utf8_pointer_to_offset (text->text, p + 1); } p = g_utf8_find_prev_char (text->text, p); } if (start_of_line) *start_of_line = (char*)text->text; return offset_into_text; } } /* direction = TRUE (move forward), FALSE (move backward) Any error shall return length(text->text) or 0 or text->selection_end (as deemed fit) */ static int _get_updated_position (EText *text, gboolean direction) { PangoLogAttr *log_attrs = NULL; gint n_attrs; char *p = NULL; gint new_pos = 0; gint length = 0; /* Basic sanity test, return whatever position we are currently at. */ g_return_val_if_fail (text->layout != NULL, text->selection_end); length = g_utf8_strlen (text->text, -1); /* length checks to make sure we are not wandering off into nonexistant memory... */ if((text->selection_end >= length) && (TRUE == direction)) /* forward */ return length; /* checking for -ve value wont hurt! */ if((text->selection_end <= 0) && (FALSE == direction)) /* backward */ return 0; /* check for validness of full text->text */ if(!g_utf8_validate(text->text, -1, NULL)) return text->selection_end; /* get layout's PangoLogAttr to facilitate moving when moving across grapheme cluster as in indic langs */ pango_layout_get_log_attrs (text->layout, &log_attrs, &n_attrs); /* Fetch the current char index in the line & keep moving forward until we can display cursor */ p = g_utf8_offset_to_pointer (text->text, text->selection_end); new_pos = text->selection_end; while(1) { /* check before moving forward/backwards if we have more chars to move or not */ if(TRUE == direction) p = g_utf8_next_char (p); else p = g_utf8_prev_char (p); /* validate the new string & return with original position if check fails */ if(!g_utf8_validate (p, -1, NULL)) break; /* will return old value of new_pos */ new_pos = g_utf8_pointer_to_offset (text->text, p); /* if is_cursor_position is set, cursor can appear in front of character. i.e. this is a grapheme boundary AND make some sanity checks */ if((new_pos >=0) && (new_pos < n_attrs) && (log_attrs[new_pos].is_cursor_position)) break; else if((new_pos < 0) || (new_pos >= n_attrs)) { new_pos = text->selection_end; break; } } if(log_attrs) g_free(log_attrs); return new_pos; } static int _get_position(EText *text, ETextEventProcessorCommand *command) { int length, obj_num; gunichar unival; char *p = NULL; gint new_pos = 0; switch (command->position) { case E_TEP_VALUE: new_pos = command->value; break; case E_TEP_SELECTION: new_pos = text->selection_end; break; case E_TEP_START_OF_BUFFER: new_pos = 0; break; case E_TEP_END_OF_BUFFER: new_pos = strlen (text->text); break; case E_TEP_START_OF_LINE: if (text->selection_end >= 1) { p = g_utf8_offset_to_pointer (text->text, text->selection_end); if (p != text->text) { p = g_utf8_find_prev_char (text->text, p); while (p && p > text->text) { if (*p == '\n') { new_pos = g_utf8_pointer_to_offset (text->text, p) + 1; break; } p = g_utf8_find_prev_char (text->text, p); } } } break; case E_TEP_END_OF_LINE: new_pos = -1; length = g_utf8_strlen (text->text, -1); if (text->selection_end >= length) { new_pos = length; } else { p = g_utf8_offset_to_pointer (text->text, text->selection_end); while (p && *p) { if (*p == '\n') { new_pos = g_utf8_pointer_to_offset (text->text, p); p = NULL; } else p = g_utf8_next_char (p); } } if (new_pos == -1) new_pos = g_utf8_pointer_to_offset (text->text, p); break; case E_TEP_FORWARD_CHARACTER: length = g_utf8_strlen (text->text, -1); if (text->selection_end >= length) new_pos = length; else new_pos = _get_updated_position(text, TRUE); /* get updated position to display cursor */ break; case E_TEP_BACKWARD_CHARACTER: new_pos = 0; if (text->selection_end >= 1) new_pos = _get_updated_position(text, FALSE); /* get updated position to display cursor */ break; case E_TEP_FORWARD_WORD: new_pos = next_word (text, text->selection_end); break; case E_TEP_BACKWARD_WORD: new_pos = 0; if (text->selection_end >= 1) { int pos = text->selection_end; p = g_utf8_find_prev_char (text->text, g_utf8_offset_to_pointer (text->text, text->selection_end)); pos --; if (p != text->text) { p = g_utf8_find_prev_char (text->text, p); pos --; while (p && p > text->text) { unival = g_utf8_get_char (p); if (g_unichar_isspace (unival)) { new_pos = pos + 1; p = NULL; } else { p = g_utf8_find_prev_char (text->text, p); pos --; } } } } break; case E_TEP_FORWARD_LINE: { int offset_into_line; offset_into_line = find_offset_into_line (text, text->selection_end, NULL); if (offset_into_line == -1) return text->selection_end; /* now we search forward til we hit a \n, and then offset_into_line more characters */ p = g_utf8_offset_to_pointer (text->text, text->selection_end); while (p && *p) { if (*p == '\n') break; p = g_utf8_next_char (p); } if (p && *p == '\n') { /* now we loop forward offset_into_line characters, or until we hit \n or \0 */ p = g_utf8_next_char (p); while (offset_into_line > 0 && p && *p != '\n' && *p != '\0') { p = g_utf8_next_char (p); offset_into_line --; } } /* at this point, p points to the new location, convert it to an offset and we're done */ new_pos = g_utf8_pointer_to_offset (text->text, p); break; } case E_TEP_BACKWARD_LINE: { int offset_into_line = find_offset_into_line (text, text->selection_end, &p); if (offset_into_line == -1) return text->selection_end; /* p points to the first character on our line. if we have a \n before it, skip it and scan til we hit the next one */ if (p != text->text) { p = g_utf8_find_prev_char (text->text, p); if (*p == '\n') { p = g_utf8_find_prev_char (text->text, p); while (p > text->text) { if (*p == '\n') { p ++; break; } p = g_utf8_find_prev_char (text->text, p); } } } /* at this point 'p' points to the start of the previous line, move forward 'offset_into_line' times. */ while (offset_into_line > 0 && p && *p != '\n' && *p != '\0') { p = g_utf8_next_char (p); offset_into_line --; } /* at this point, p points to the new location, convert it to an offset and we're done */ new_pos = g_utf8_pointer_to_offset (text->text, p); break; } case E_TEP_SELECT_WORD: /* This is a silly hack to cause double-clicking on an object to activate that object. (Normally, double click == select word, which is why this is here.) */ obj_num = e_text_model_get_object_at_offset (text->model, text->selection_start); if (obj_num != -1) { e_text_model_activate_nth_object (text->model, obj_num); new_pos = text->selection_start; break; } if (text->selection_end < 1) { new_pos = 0; break; } p = g_utf8_offset_to_pointer (text->text, text->selection_end); p = g_utf8_find_prev_char (text->text, p); while (p && p > text->text) { unival = g_utf8_get_char (p); if (g_unichar_isspace (unival)) { p = g_utf8_next_char (p); break; } p = g_utf8_find_prev_char (text->text, p); } if (!p) text->selection_start = 0; else text->selection_start = g_utf8_pointer_to_offset (text->text, p); text->selection_start = e_text_model_validate_position (text->model, text->selection_start); length = g_utf8_strlen (text->text, -1); if (text->selection_end >= length) { new_pos = length; break; } p = g_utf8_offset_to_pointer (text->text, text->selection_end); while (p && *p) { unival = g_utf8_get_char (p); if (g_unichar_isspace (unival)) { new_pos = g_utf8_pointer_to_offset (text->text, p); break; } else p = g_utf8_next_char (p); } if (!new_pos) new_pos = g_utf8_strlen (text->text, -1); return new_pos; case E_TEP_SELECT_ALL: text->selection_start = 0; new_pos = g_utf8_strlen (text->text, -1); break; case E_TEP_FORWARD_PARAGRAPH: case E_TEP_BACKWARD_PARAGRAPH: case E_TEP_FORWARD_PAGE: case E_TEP_BACKWARD_PAGE: new_pos = text->selection_end; break; default: new_pos = text->selection_end; break; } new_pos = e_text_model_validate_position (text->model, new_pos); return new_pos; } static void e_text_insert(EText *text, const char *string) { int len = strlen (string); if (len > 0) { int utf8len = 0; if (!text->allow_newlines) { const char *i; char *new_string = g_malloc (len + 1); char *j = new_string; for (i = string; *i; i = g_utf8_next_char(i)) { if (*i != '\n') { gunichar c; int charlen; c = g_utf8_get_char (i); charlen = g_unichar_to_utf8 (c, j); j += charlen; utf8len++; } } *j = 0; e_text_model_insert_length(text->model, text->selection_start, new_string, utf8len); g_free (new_string); } else { utf8len = g_utf8_strlen (string, -1); e_text_model_insert_length(text->model, text->selection_start, string, utf8len); } } } static void capitalize (EText *text, int start, int end, ETextEventProcessorCaps type) { gboolean first = TRUE; const char *p = g_utf8_offset_to_pointer (text->text, start); const char *text_end = g_utf8_offset_to_pointer (text->text, end); int utf8len = text_end - p; if (utf8len > 0) { char *new_text = g_new0 (char, utf8len * 6); char *output = new_text; while (p && *p && p < text_end) { gunichar unival = g_utf8_get_char (p); gunichar newval = unival; switch (type) { case E_TEP_CAPS_UPPER: newval = g_unichar_toupper (unival); break; case E_TEP_CAPS_LOWER: newval = g_unichar_tolower (unival); break; case E_TEP_CAPS_TITLE: if (g_unichar_isalpha (unival)) { if (first) newval = g_unichar_totitle (unival); else newval = g_unichar_tolower (unival); first = FALSE; } else { first = TRUE; } break; } g_unichar_to_utf8 (newval, output); output = g_utf8_next_char (output); p = g_utf8_next_char (p); } *output = 0; e_text_model_delete (text->model, start, utf8len); e_text_model_insert_length (text->model, start, new_text, utf8len); g_free (new_text); } } static void e_text_command(ETextEventProcessor *tep, ETextEventProcessorCommand *command, gpointer data) { EText *text = E_TEXT(data); gboolean scroll = TRUE; gboolean use_start = TRUE; switch (command->action) { case E_TEP_MOVE: text->selection_start = _get_position(text, command); text->selection_end = text->selection_start; if (text->timer) { g_timer_reset(text->timer); } use_start = TRUE; break; case E_TEP_SELECT: text->selection_start = e_text_model_validate_position (text->model, text->selection_start); /* paranoia */ text->selection_end = _get_position(text, command); e_text_update_primary_selection (text); use_start = FALSE; break; case E_TEP_DELETE: if (text->selection_end == text->selection_start) { text->selection_end = _get_position(text, command); } e_text_delete_selection(text); if (text->timer) { g_timer_reset(text->timer); } use_start = FALSE; break; case E_TEP_INSERT: if (g_utf8_validate (command->string, command->value, NULL)) { if (text->selection_end != text->selection_start) { e_text_delete_selection(text); } e_text_insert(text, command->string); if (text->timer) { g_timer_reset(text->timer); } } break; case E_TEP_COPY: e_text_copy_clipboard (text); if (text->timer) { g_timer_reset(text->timer); } scroll = FALSE; break; case E_TEP_PASTE: e_text_paste (text, GDK_NONE); if (text->timer) { g_timer_reset(text->timer); } break; case E_TEP_GET_SELECTION: e_text_paste (text, GDK_SELECTION_PRIMARY); break; case E_TEP_ACTIVATE: g_signal_emit (text, e_text_signals[E_TEXT_ACTIVATE], 0); if (text->timer) { g_timer_reset(text->timer); } break; case E_TEP_SET_SELECT_BY_WORD: text->select_by_word = command->value; break; case E_TEP_GRAB: e_canvas_item_grab (E_CANVAS (GNOME_CANVAS_ITEM(text)->canvas), GNOME_CANVAS_ITEM(text), GDK_BUTTON_RELEASE_MASK | GDK_POINTER_MOTION_MASK, text->i_cursor, command->time, NULL, NULL); scroll = FALSE; break; case E_TEP_UNGRAB: e_canvas_item_ungrab (E_CANVAS (GNOME_CANVAS_ITEM(text)->canvas), GNOME_CANVAS_ITEM(text), command->time); scroll = FALSE; break; case E_TEP_CAPS: if (text->selection_start == text->selection_end) { capitalize (text, text->selection_start, next_word (text, text->selection_start), command->value); } else { int selection_start = MIN (text->selection_start, text->selection_end); int selection_end = MAX (text->selection_start, text->selection_end); capitalize (text, selection_start, selection_end, command->value); } break; case E_TEP_NOP: scroll = FALSE; break; } /* it's possible to get here without ever having been realized by our canvas (if the e-text started completely obscured.) so let's create our layout object if we don't already have one. */ if (!text->layout) create_layout (text); /* We move cursor only if scroll is TRUE */ if (scroll && !text->button_down) { /* XXX do we really need the @trailing logic here? if we don't we can scrap the loop and just use pango_layout_index_to_pos */ PangoLayoutLine *cur_line = NULL; int selection_index; PangoLayoutIter *iter = pango_layout_get_iter (text->layout); /* check if we are using selection_start or selection_end for moving? */ selection_index = use_start ? text->selection_start : text->selection_end; /* convert to a byte index */ selection_index = g_utf8_offset_to_pointer (text->text, selection_index) - text->text; do { PangoLayoutLine *line = pango_layout_iter_get_line (iter); if (selection_index >= line->start_index && selection_index <= line->start_index + line->length) { /* found the line with the start of the selection */ cur_line = line; break; } } while (pango_layout_iter_next_line (iter)); if (cur_line) { int xpos, ypos; double clip_width, clip_height; /* gboolean trailing = FALSE; */ PangoRectangle pango_pos; if (selection_index > 0 && selection_index == cur_line->start_index + cur_line->length) { selection_index--; /* trailing = TRUE; */ } pango_layout_index_to_pos (text->layout, selection_index, &pango_pos); pango_pos.x = PANGO_PIXELS (pango_pos.x); pango_pos.y = PANGO_PIXELS (pango_pos.y); pango_pos.width = (pango_pos.width + PANGO_SCALE / 2) / PANGO_SCALE; pango_pos.height = (pango_pos.height + PANGO_SCALE / 2) / PANGO_SCALE; /* scroll for X */ xpos = pango_pos.x; /* + (trailing ? 0 : pango_pos.width);*/ if (xpos + 2 < text->xofs_edit) { text->xofs_edit = xpos; } clip_width = text->clip_width; if (clip_width >= 0 && text->draw_borders) { clip_width -= 6; if (clip_width < 0) clip_width = 0; } if (xpos + pango_pos.width - clip_width > text->xofs_edit) { text->xofs_edit = xpos + pango_pos.width - clip_width; } /* scroll for Y */ if (pango_pos.y + 2 < text->yofs_edit) { ypos = pango_pos.y; text->yofs_edit = ypos; } else { ypos = pango_pos.y + pango_pos.height; } if ( text->clip_height < 0 ) clip_height = text->height; else clip_height = text->clip_height; if (clip_height >= 0 && text->draw_borders) { clip_height -= 6; if (clip_height < 0) clip_height = 0; } if (ypos - clip_height > text->yofs_edit) { text->yofs_edit = ypos - clip_height; } } pango_layout_iter_free (iter); } text->needs_redraw = 1; gnome_canvas_item_request_update (GNOME_CANVAS_ITEM(text)); } /* Class initialization function for the text item */ static void e_text_class_init (ETextClass *klass) { GObjectClass *gobject_class; GnomeCanvasItemClass *item_class; gobject_class = (GObjectClass *) klass; item_class = (GnomeCanvasItemClass *) klass; gobject_class->dispose = e_text_dispose; gobject_class->set_property = e_text_set_property; gobject_class->get_property = e_text_get_property; item_class->update = e_text_update; item_class->realize = e_text_realize; item_class->unrealize = e_text_unrealize; item_class->draw = e_text_draw; item_class->point = e_text_point; item_class->bounds = e_text_bounds; item_class->event = e_text_event; klass->changed = NULL; klass->activate = NULL; e_text_signals[E_TEXT_CHANGED] = g_signal_new ("changed", G_OBJECT_CLASS_TYPE (gobject_class), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (ETextClass, changed), NULL, NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0); e_text_signals[E_TEXT_ACTIVATE] = g_signal_new ("activate", G_OBJECT_CLASS_TYPE (gobject_class), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (ETextClass, activate), NULL, NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0); e_text_signals[E_TEXT_KEYPRESS] = g_signal_new ("keypress", G_OBJECT_CLASS_TYPE (gobject_class), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (ETextClass, keypress), NULL, NULL, e_util_marshal_NONE__INT_INT, G_TYPE_NONE, 2, G_TYPE_UINT, G_TYPE_UINT); e_text_signals[E_TEXT_POPULATE_POPUP] = g_signal_new ("populate_popup", G_OBJECT_CLASS_TYPE (gobject_class), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (ETextClass, populate_popup), NULL, NULL, e_util_marshal_NONE__POINTER_INT_OBJECT, G_TYPE_NONE, 3, G_TYPE_POINTER, G_TYPE_INT, GTK_TYPE_MENU); g_object_class_install_property (gobject_class, PROP_MODEL, g_param_spec_object ("model", _( "Model" ), _( "Model" ), E_TYPE_TEXT_MODEL, G_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_EVENT_PROCESSOR, g_param_spec_object ("event_processor", _( "Event Processor" ), _( "Event Processor" ), E_TEXT_EVENT_PROCESSOR_TYPE, G_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_TEXT, g_param_spec_string ("text", _( "Text" ), _( "Text" ), NULL, G_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_BOLD, g_param_spec_boolean ("bold", _( "Bold" ), _( "Bold" ), FALSE, G_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_STRIKEOUT, g_param_spec_boolean ("strikeout", _( "Strikeout" ), _( "Strikeout" ), FALSE, G_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_ANCHOR, g_param_spec_enum ("anchor", _( "Anchor" ), _( "Anchor" ), GTK_TYPE_ANCHOR_TYPE, GTK_ANCHOR_CENTER, G_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_JUSTIFICATION, g_param_spec_enum ("justification", _( "Justification" ), _( "Justification" ), GTK_TYPE_JUSTIFICATION, GTK_JUSTIFY_LEFT, G_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_CLIP_WIDTH, g_param_spec_double ("clip_width", _( "Clip Width" ), _( "Clip Width" ), 0.0, G_MAXDOUBLE, 0.0, G_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_CLIP_HEIGHT, g_param_spec_double ("clip_height", _( "Clip Height" ), _( "Clip Height" ), 0.0, G_MAXDOUBLE, 0.0, G_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_CLIP, g_param_spec_boolean ("clip", _( "Clip" ), _( "Clip" ), FALSE, G_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_FILL_CLIP_RECTANGLE, g_param_spec_boolean ("fill_clip_rectangle", _( "Fill clip rectangle" ), _( "Fill clip rectangle" ), FALSE, G_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_X_OFFSET, g_param_spec_double ("x_offset", _( "X Offset" ), _( "X Offset" ), 0.0, G_MAXDOUBLE, 0.0, G_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_Y_OFFSET, g_param_spec_double ("y_offset", _( "Y Offset" ), _( "Y Offset" ), 0.0, G_MAXDOUBLE, 0.0, G_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_FILL_COLOR, g_param_spec_string ("fill_color", _( "Fill color" ), _( "Fill color" ), NULL, G_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_FILL_COLOR_GDK, g_param_spec_boxed ("fill_color_gdk", _( "GDK fill color" ), _( "GDK fill color" ), GDK_TYPE_COLOR, G_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_FILL_COLOR_RGBA, g_param_spec_uint ("fill_color_rgba", _( "GDK fill color" ), _( "GDK fill color" ), 0, G_MAXUINT, 0, G_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_FILL_STIPPLE, g_param_spec_object ("fill_stipple", _( "Fill stipple" ), _( "Fill stipple" ), GDK_TYPE_DRAWABLE, G_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_TEXT_WIDTH, g_param_spec_double ("text_width", _( "Text width" ), _( "Text width" ), 0.0, G_MAXDOUBLE, 0.0, G_PARAM_READABLE)); g_object_class_install_property (gobject_class, PROP_TEXT_HEIGHT, g_param_spec_double ("text_height", _( "Text height" ), _( "Text height" ), 0.0, G_MAXDOUBLE, 0.0, G_PARAM_READABLE)); g_object_class_install_property (gobject_class, PROP_EDITABLE, g_param_spec_boolean ("editable", _( "Editable" ), _( "Editable" ), FALSE, G_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_USE_ELLIPSIS, g_param_spec_boolean ("use_ellipsis", _( "Use ellipsis" ), _( "Use ellipsis" ), FALSE, G_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_ELLIPSIS, g_param_spec_string ("ellipsis", _( "Ellipsis" ), _( "Ellipsis" ), NULL, G_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_LINE_WRAP, g_param_spec_boolean ("line_wrap", _( "Line wrap" ), _( "Line wrap" ), FALSE, G_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_BREAK_CHARACTERS, g_param_spec_string ("break_characters", _( "Break characters" ), _( "Break characters" ), NULL, G_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_MAX_LINES, g_param_spec_int ("max_lines", _( "Max lines" ), _( "Max lines" ), 0, G_MAXINT, 0, G_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_WIDTH, g_param_spec_double ("width", _( "Width" ), _( "Width" ), 0.0, G_MAXDOUBLE, 0.0, G_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_HEIGHT, g_param_spec_double ("height", _( "Height" ), _( "Height" ), 0.0, G_MAXDOUBLE, 0.0, G_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_DRAW_BORDERS, g_param_spec_boolean ("draw_borders", _( "Draw borders" ), _( "Draw borders" ), FALSE, G_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_ALLOW_NEWLINES, g_param_spec_boolean ("allow_newlines", _( "Allow newlines" ), _( "Allow newlines" ), FALSE, G_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_DRAW_BACKGROUND, g_param_spec_boolean ("draw_background", _( "Draw background" ), _( "Draw background" ), FALSE, G_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_DRAW_BUTTON, g_param_spec_boolean ("draw_button", _( "Draw button" ), _( "Draw button" ), FALSE, G_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_CURSOR_POS, g_param_spec_int ("cursor_pos", _( "Cursor position" ), _( "Cursor position" ), 0, G_MAXINT, 0, G_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_IM_CONTEXT, g_param_spec_object ("im_context", _( "IM Context" ), _( "IM Context" ), GTK_TYPE_IM_CONTEXT, G_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_HANDLE_POPUP, g_param_spec_boolean ("handle_popup", _( "Handle Popup" ), _( "Handle Popup" ), FALSE, G_PARAM_READWRITE)); if (!clipboard_atom) clipboard_atom = gdk_atom_intern ("CLIPBOARD", FALSE); gal_a11y_e_text_init (); } /* Object initialization function for the text item */ static void e_text_init (EText *text) { text->model = e_text_model_new (); text->text = e_text_model_get_text (text->model); text->preedit_len = 0; text->preedit_pos = 0; text->layout = NULL; text->revert = NULL; text->model_changed_signal_id = g_signal_connect (text->model, "changed", G_CALLBACK (e_text_text_model_changed), text); text->model_repos_signal_id = g_signal_connect (text->model, "reposition", G_CALLBACK (e_text_text_model_reposition), text); text->anchor = GTK_ANCHOR_CENTER; text->justification = GTK_JUSTIFY_LEFT; text->clip_width = -1.0; text->clip_height = -1.0; text->xofs = 0.0; text->yofs = 0.0; text->ellipsis = NULL; text->use_ellipsis = FALSE; text->ellipsis_width = 0; text->editable = FALSE; text->editing = FALSE; text->xofs_edit = 0; text->yofs_edit = 0; text->selection_start = 0; text->selection_end = 0; text->select_by_word = FALSE; text->timeout_id = 0; text->timer = NULL; text->lastx = 0; text->lasty = 0; text->last_state = 0; text->scroll_start = 0; text->show_cursor = TRUE; text->button_down = FALSE; text->tep = NULL; text->tep_command_id = 0; text->has_selection = FALSE; text->pointer_in = FALSE; text->default_cursor_shown = TRUE; text->line_wrap = FALSE; text->break_characters = NULL; text->max_lines = -1; text->tooltip_timeout = 0; text->tooltip_count = 0; text->tooltip_owner = FALSE; text->dbl_timeout = 0; text->tpl_timeout = 0; text->draw_background = FALSE; text->draw_button = FALSE; text->bold = FALSE; text->strikeout = FALSE; text->allow_newlines = TRUE; text->last_type_request = -1; d(g_print ("Setting last_type_request to %d at line %d\n", text->last_type_request, __LINE__)); text->last_time_request = 0; text->queued_requests = NULL; text->im_context = NULL; text->need_im_reset = FALSE; text->im_context_signals_registered = FALSE; text->handle_popup = FALSE; e_canvas_item_set_reflow_callback(GNOME_CANVAS_ITEM(text), e_text_reflow); } /* IM Context Callbacks */ static void e_text_commit_cb (GtkIMContext *context, const gchar *str, EText *text) { if (g_utf8_validate (str, strlen (str), NULL)) { if (text->selection_end != text->selection_start) e_text_delete_selection (text); e_text_insert (text, str); g_signal_emit (text, e_text_signals[E_TEXT_KEYPRESS], 0, 0, 0); } } /* * Fetch cursor location into Strong or Weak positions so as to * display the preedit candidate selection window in the right place */ static void e_text_get_cursor_locations (EText *text, GdkRectangle *strong_pos, GdkRectangle *weak_pos) { double x1, y1; PangoRectangle pango_strong_pos; PangoRectangle pango_weak_pos; int cx, cy; gint index; gnome_canvas_item_get_bounds (GNOME_CANVAS_ITEM (text), &x1, &y1, NULL, NULL); gnome_canvas_get_scroll_offsets (GNOME_CANVAS (GNOME_CANVAS_ITEM (text)->canvas), &cx, &cy); index = g_utf8_offset_to_pointer (text->text, text->selection_start) - text->text; pango_layout_get_cursor_pos (text->layout, index + text->preedit_pos, strong_pos ? &pango_strong_pos : NULL, weak_pos ? &pango_weak_pos : NULL); if (strong_pos) { strong_pos->x = x1 - cx - text->xofs_edit + pango_strong_pos.x / PANGO_SCALE; strong_pos->y = y1 - cy - text->yofs_edit + pango_strong_pos.y / PANGO_SCALE; strong_pos->width = 0; strong_pos->height = pango_strong_pos.height / PANGO_SCALE; } if (weak_pos) { weak_pos->x = x1 - cx - text->xofs_edit + pango_weak_pos.x / PANGO_SCALE; weak_pos->y = y1 - cy - text->yofs_edit + pango_weak_pos.y / PANGO_SCALE; weak_pos->width = 0; weak_pos->height = pango_weak_pos.height / PANGO_SCALE; } } /* Update IM's cursor position to display candidate selection window */ static void update_im_cursor_position (EText *text) { GdkRectangle area; e_text_get_cursor_locations (text, &area, NULL); gtk_im_context_set_cursor_location (text->im_context, &area); } static void e_text_preedit_changed_cb (GtkIMContext *context, EText *etext) { gchar *preedit_string = NULL; gint cursor_pos; gtk_im_context_get_preedit_string (context, &preedit_string, NULL, &cursor_pos); cursor_pos = CLAMP (cursor_pos, 0, g_utf8_strlen (preedit_string, -1)); etext->preedit_len = strlen (preedit_string); etext->preedit_pos = g_utf8_offset_to_pointer (preedit_string, cursor_pos) - preedit_string; g_free (preedit_string); g_signal_emit (etext, e_text_signals[E_TEXT_KEYPRESS], 0, 0, 0); } static gboolean e_text_retrieve_surrounding_cb (GtkIMContext *context, EText *text) { gtk_im_context_set_surrounding (context, text->text, strlen (text->text), g_utf8_offset_to_pointer (text->text, MIN (text->selection_start, text->selection_end)) - text->text); return TRUE; } static gboolean e_text_delete_surrounding_cb (GtkIMContext *context, gint offset, gint n_chars, EText *text) { e_text_model_delete (text->model, MIN (text->selection_start, text->selection_end) + offset, n_chars); return TRUE; }


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