diff options
Diffstat (limited to 'widgets/table/e-cell-text.c')
| -rw-r--r-- | widgets/table/e-cell-text.c | 2320 |
1 files changed, 0 insertions, 2320 deletions
diff --git a/widgets/table/e-cell-text.c b/widgets/table/e-cell-text.c deleted file mode 100644 index 12cd9af482..0000000000 --- a/widgets/table/e-cell-text.c +++ /dev/null @@ -1,2320 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ -/* - * e-cell-text.c: Text cell renderer. - * Copyright 1999, 2000, 2001, Ximian, Inc. - * - * Authors: - * Miguel de Icaza <miguel@ximian.com> - * Chris Lahey <clahey@ximian.com> - * - * A lot 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., 59 Temple Place - Suite 330, Boston, MA - * 02111-1307, USA. - */ - -#include <config.h> -#include <stdio.h> -#include <ctype.h> -#include <math.h> -#include <string.h> -#include <gdk/gdkx.h> /* for BlackPixel */ -#include <gdk/gdkkeysyms.h> -#include <gtk/gtk.h> -#include <libgnomecanvas/gnome-canvas.h> -#include <libgnomecanvas/gnome-canvas-rect-ellipse.h> -#include "e-cell-text.h" -#include "gal/util/e-util.h" -#include "gal/widgets/e-canvas.h" -#include "gal/widgets/e-unicode.h" -#include "e-table-item.h" -#include "gal/util/e-text-event-processor.h" -#include "gal/e-text/e-text.h" -#include "gal/util/e-text-event-processor-emacs-like.h" -#include "gal/util/e-i18n.h" -#include "e-table-tooltip.h" - -#define d(x) -#define DO_SELECTION 1 - -#if d(!)0 -#define e_table_item_leave_edit_(x) (e_table_item_leave_edit((x)), g_print ("%s: e_table_item_leave_edit\n", __FUNCTION__)) -#else -#define e_table_item_leave_edit_(x) (e_table_item_leave_edit((x))) -#endif - -#define ECT_CLASS(c) (E_CELL_TEXT_CLASS(GTK_OBJECT_GET_CLASS ((c)))) - -/* This defines a line of text */ -struct line { - char *text; /* Line's text UTF-8, it is a pointer into the text->text string */ - int length; /* Line's length in BYTES */ - int width; /* Line's width in pixels */ - int ellipsis_length; /* Length before adding ellipsis in BYTES */ -}; - -/* Object argument IDs */ -enum { - PROP_0, - - PROP_STRIKEOUT_COLUMN, - PROP_UNDERLINE_COLUMN, - PROP_BOLD_COLUMN, - PROP_COLOR_COLUMN, - PROP_EDITABLE, - PROP_BG_COLOR_COLUMN -}; - - -enum { - E_SELECTION_PRIMARY, - E_SELECTION_CLIPBOARD -}; - -static GdkAtom clipboard_atom = GDK_NONE; - -#define PARENT_TYPE e_cell_get_type () - -#define TEXT_PAD 4 - -typedef struct { - gpointer lines; /* Text split into lines (private field) */ - int num_lines; /* Number of lines of text */ - int max_width; - int ref_count; -} ECellTextLineBreaks; - - -typedef struct _CellEdit CellEdit; - -typedef struct { - ECellView cell_view; - GdkGC *gc; - GdkCursor *i_cursor; - GdkBitmap *stipple; /* Stipple for text */ - - GnomeCanvas *canvas; - - /* - * During editing. - */ - CellEdit *edit; - - - int xofs, yofs; /* This gets added to the x - and y for the cell text. */ - double ellipsis_width[2]; /* The width of the ellipsis. */ - -} ECellTextView; - -struct _CellEdit { - - ECellTextView *text_view; - - int model_col, view_col, row; - int cell_width; - - PangoLayout *layout; - - char *text; - - char *old_text; - - /* - * Where the editing is taking place - */ - - int xofs_edit, yofs_edit; /* Offset because of editing. - This is negative compared - to the other offsets. */ - - /* This needs to be reworked a bit once we get line wrapping. */ - int selection_start; /* Start of selection - IN BYTES */ - int selection_end; /* End of selection - IN BYTES */ - gboolean select_by_word; /* Current selection is by word */ - - /* This section is for drag scrolling and blinking cursor. */ - /* Cursor handling. */ - gint timeout_id; /* Current timeout id for scrolling */ - GTimer *timer; /* Timer for blinking cursor and scrolling */ - - gint lastx, lasty; /* Last x and y motion events */ - gint last_state; /* Last state */ - gulong scroll_start; /* Starting time for scroll (microseconds) */ - - gint show_cursor; /* Is cursor currently shown */ - gboolean button_down; /* Is mouse button 1 down */ - - ETextEventProcessor *tep; /* Text Event Processor */ - - GtkWidget *invisible; /* For selection handling */ - gboolean has_selection; /* TRUE if we have the selection */ - gchar *primary_selection; /* Primary selection text */ - gint primary_length; /* Primary selection text length in BYTES */ - gchar *clipboard_selection; /* Clipboard selection text */ - gint clipboard_length; /* Clipboard selection text length in BYTES */ - - guint pointer_in : 1; - guint default_cursor_shown : 1; - - ECellActions actions; -}; - -static void e_cell_text_view_command (ETextEventProcessor *tep, ETextEventProcessorCommand *command, gpointer data); - -static void e_cell_text_view_get_selection (CellEdit *edit, GdkAtom selection, guint32 time); -static void e_cell_text_view_supply_selection (CellEdit *edit, guint time, GdkAtom selection, char *data, gint length); - -static void _get_tep (CellEdit *edit); - -static gint get_position_from_xy (CellEdit *edit, gint x, gint y); -static gboolean _blink_scroll_timeout (gpointer data); - -static void ect_free_color (gchar *color_spec, GdkColor *color, GdkColormap *colormap); -static GdkColor* e_cell_text_get_color (ECellTextView *cell_view, gchar *color_spec); - -static ECellClass *parent_class; - -char * -e_cell_text_get_text (ECellText *cell, ETableModel *model, int col, int row) -{ - if (ECT_CLASS(cell)->get_text) - return ECT_CLASS(cell)->get_text (cell, model, col, row); - else - return NULL; -} - -void -e_cell_text_free_text (ECellText *cell, char *text) -{ - if (ECT_CLASS(cell)->free_text) - ECT_CLASS(cell)->free_text (cell, text); -} - -void -e_cell_text_set_value (ECellText *cell, ETableModel *model, int col, int row, - const char *text) -{ - if (ECT_CLASS(cell)->set_value) - ECT_CLASS(cell)->set_value (cell, model, col, row, text); -} - -static char * -ect_real_get_text (ECellText *cell, ETableModel *model, int col, int row) -{ - return e_table_model_value_at(model, col, row); -} - -static void -ect_real_free_text (ECellText *cell, char *text) -{ -} - -/* This is the default method for setting the ETableModel value based on - the text in the ECellText. This simply uses the text as it is - it assumes - the value in the model is a char*. Subclasses may parse the text into - data structures to pass to the model. */ -static void -ect_real_set_value (ECellText *cell, ETableModel *model, int col, int row, - const char *text) -{ - e_table_model_set_value_at (model, col, row, text); -} - -static void -ect_queue_redraw (ECellTextView *text_view, int view_col, int view_row) -{ - e_table_item_redraw_range ( - text_view->cell_view.e_table_item_view, - view_col, view_row, view_col, view_row); -} - -static void -invisible_finalize (gpointer data, - GObject *invisible) -{ - CellEdit *edit = data; - edit->invisible = NULL; -} - -/* - * Shuts down the editing process - */ -static void -ect_stop_editing (ECellTextView *text_view, gboolean commit) -{ - CellEdit *edit = text_view->edit; - int row, view_col, model_col; - char *old_text, *text; - - if (!edit) - return; - - row = edit->row; - view_col = edit->view_col; - model_col = edit->model_col; - - old_text = edit->old_text; - text = edit->text; - if (edit->invisible) { - g_object_weak_unref (G_OBJECT (edit->invisible), invisible_finalize, edit); - } - if (edit->tep) - g_object_unref (edit->tep); - if (edit->primary_selection) - g_free (edit->primary_selection); - if (edit->clipboard_selection) - g_free (edit->clipboard_selection); - if (! edit->default_cursor_shown){ - gdk_window_set_cursor (GTK_WIDGET(text_view->canvas)->window, NULL); - edit->default_cursor_shown = TRUE; - } - if (edit->timeout_id) { - g_source_remove (edit->timeout_id); - edit->timeout_id = 0; - } - if (edit->timer) { - g_timer_stop (edit->timer); - g_timer_destroy (edit->timer); - edit->timer = NULL; - } - - if (edit->layout) - g_object_unref (edit->layout); - - g_free (edit); - - text_view->edit = NULL; - if (commit) { - /* - * Accept the currently edited text. if it's the same as what's in the cell, do nothing. - */ - ECellView *ecell_view = (ECellView *) text_view; - ECellText *ect = (ECellText *) ecell_view->ecell; - - if (strcmp (old_text, text)) { - e_cell_text_set_value (ect, ecell_view->e_table_model, - model_col, row, text); - } - } - g_free (text); - g_free (old_text); - - ect_queue_redraw (text_view, view_col, row); -} - -/* - * Cancels the edits - */ -static void -ect_cancel_edit (ECellTextView *text_view) -{ - ect_stop_editing (text_view, FALSE); - e_table_item_leave_edit_ (text_view->cell_view.e_table_item_view); -} - -/* - * ECell::new_view method - */ -static ECellView * -ect_new_view (ECell *ecell, ETableModel *table_model, void *e_table_item_view) -{ - ECellTextView *text_view = g_new0 (ECellTextView, 1); - GnomeCanvas *canvas = GNOME_CANVAS_ITEM (e_table_item_view)->canvas; - - text_view->cell_view.ecell = ecell; - text_view->cell_view.e_table_model = table_model; - text_view->cell_view.e_table_item_view = e_table_item_view; - - text_view->canvas = canvas; - - text_view->xofs = 0.0; - text_view->yofs = 0.0; - - return (ECellView *)text_view; -} - -/* - * ECell::kill_view method - */ -static void -ect_kill_view (ECellView *ecv) -{ - ECellTextView *text_view = (ECellTextView *) ecv; - - g_free (text_view); -} - -/* - * ECell::realize method - */ -static void -ect_realize (ECellView *ecell_view) -{ - ECellTextView *text_view = (ECellTextView *) ecell_view; - - text_view->gc = gdk_gc_new (GTK_WIDGET (text_view->canvas)->window); - - text_view->i_cursor = gdk_cursor_new (GDK_XTERM); - - if (parent_class->realize) - (* parent_class->realize) (ecell_view); -} - -/* - * ECell::unrealize method - */ -static void -ect_unrealize (ECellView *ecv) -{ - ECellTextView *text_view = (ECellTextView *) ecv; - ECellText *ect = (ECellText*) ecv->ecell; - GdkColormap *colormap; - - gdk_gc_unref (text_view->gc); - text_view->gc = NULL; - - if (text_view->edit){ - ect_cancel_edit (text_view); - } - - if (text_view->stipple) - gdk_bitmap_unref (text_view->stipple); - - gdk_cursor_destroy (text_view->i_cursor); - - if (ect->colors) { - colormap = gtk_widget_get_colormap (GTK_WIDGET (text_view->canvas)); - g_hash_table_foreach (ect->colors, (GHFunc) ect_free_color, - colormap); - g_hash_table_destroy (ect->colors); - ect->colors = NULL; - } - - if (parent_class->unrealize) - (* parent_class->unrealize) (ecv); -} - -static void -ect_free_color (gchar *color_spec, GdkColor *color, GdkColormap *colormap) -{ - g_free (color_spec); - - /* This frees the color. Note we don't free it if it is the special - value. */ - if (color != (GdkColor*) 1) { - gulong pix = color->pixel; - - gdk_colors_free (colormap, &pix, 1, 0); - - /* This frees the memory for the GdkColor. */ - gdk_color_free (color); - } -} - -static PangoLayout * -build_layout (ECellTextView *text_view, int row, const char *text, gint width) -{ - ECellView *ecell_view = (ECellView *) text_view; - ECellText *ect = E_CELL_TEXT (ecell_view->ecell); - PangoLayout *layout; - gboolean bold, strikeout, underline; - - layout = gtk_widget_create_pango_layout (GTK_WIDGET (((GnomeCanvasItem *)ecell_view->e_table_item_view)->canvas), text); - - bold = ect->bold_column >= 0 && - row >= 0 && - e_table_model_value_at(ecell_view->e_table_model, ect->bold_column, row); - strikeout = ect->strikeout_column >= 0 && - row >= 0 && - e_table_model_value_at(ecell_view->e_table_model, ect->strikeout_column, row); - underline = ect->underline_column >= 0 && - row >= 0 && - e_table_model_value_at(ecell_view->e_table_model, ect->underline_column, row); - - if (bold || strikeout || underline) { - PangoAttrList *attrs; - int length = strlen (text); - attrs = pango_attr_list_new (); - if (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 (strikeout) { - PangoAttribute *attr = pango_attr_strikethrough_new (TRUE); - attr->start_index = 0; - attr->end_index = length; - - pango_attr_list_insert_before (attrs, attr); - } - if (underline) { - PangoAttribute *attr = pango_attr_underline_new (TRUE); - attr->start_index = 0; - attr->end_index = length; - - pango_attr_list_insert_before (attrs, attr); - } - pango_layout_set_attributes (layout, attrs); - pango_attr_list_unref (attrs); - } - - if (text_view->edit) - return layout; - - if (width > 0) - pango_layout_set_width (layout, width * PANGO_SCALE); - pango_layout_set_wrap (layout, PANGO_WRAP_CHAR); - - if (pango_layout_get_line_count (layout) > 1) { - PangoLayoutLine *line = pango_layout_get_line (layout, 0); - gchar *line_text = g_strdup (pango_layout_get_text (layout)); - gchar *last_char = g_utf8_find_prev_char (line_text, line_text + line->length - 1); - while (last_char && pango_layout_get_line_count (layout) > 1) { - gchar *new_text; - last_char = g_utf8_find_prev_char (line_text, last_char); - if (last_char) - *last_char = '\0'; - new_text = g_strconcat (line_text, "...", NULL); - pango_layout_set_text (layout, new_text, -1); - g_free (new_text); - } - g_free (line_text); - } - - switch (ect->justify) { - case GTK_JUSTIFY_RIGHT: - pango_layout_set_alignment (layout, PANGO_ALIGN_RIGHT); - break; - case GTK_JUSTIFY_CENTER: - pango_layout_set_alignment (layout, PANGO_ALIGN_CENTER); - break; - case GTK_JUSTIFY_LEFT: - default: - break; - } - - return layout; -} - -static PangoLayout * -generate_layout (ECellTextView *text_view, int model_col, int view_col, int row, int width) -{ - ECellView *ecell_view = (ECellView *) text_view; - ECellText *ect = E_CELL_TEXT (ecell_view->ecell); - PangoLayout *layout; - CellEdit *edit = text_view->edit; - - if (edit && edit->layout && edit->model_col == model_col && edit->row == row) { - g_object_ref (edit->layout); - return edit->layout; - } - - if (row >= 0) { - char *temp = e_cell_text_get_text(ect, ecell_view->e_table_model, model_col, row); - layout = build_layout (text_view, row, temp, width); - e_cell_text_free_text(ect, temp); - } else - layout = build_layout (text_view, row, "Mumbo Jumbo", width); - - return layout; -} - -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 (CellEdit *edit, PangoRectangle rect) -{ - int x1 = rect.x / PANGO_SCALE; - int x2 = (rect.x + rect.width) / PANGO_SCALE; -#if 0 - int y1 = rect.y / PANGO_SCALE; - int y2 = (rect.y + rect.height) / PANGO_SCALE; -#endif - - int new_xofs_edit = edit->xofs_edit; - int new_yofs_edit = edit->yofs_edit; - - if (x1 < new_xofs_edit) - new_xofs_edit = x1; - if (2 + x2 - edit->cell_width > new_xofs_edit) - new_xofs_edit = 2 + x2 - edit->cell_width; - if (new_xofs_edit < 0) - new_xofs_edit = 0; - -#if 0 - if (y1 < new_yofs_edit) - new_yofs_edit = y1; - if (2 + y2 - edit->cell_height > new_yofs_edit) - new_yofs_edit = 2 + y2 - edit->cell_height; - if (new_yofs_edit < 0) - new_yofs_edit = 0; -#endif - - if (new_xofs_edit != edit->xofs_edit || - new_yofs_edit != edit->yofs_edit) { - edit->xofs_edit = new_xofs_edit; - edit->yofs_edit = new_yofs_edit; - return TRUE; - } - - return FALSE; -} - -/* - * ECell::draw method - */ -static void -ect_draw (ECellView *ecell_view, GdkDrawable *drawable, - int model_col, int view_col, int row, ECellFlags flags, - int x1, int y1, int x2, int y2) -{ - PangoLayout *layout; - ECellTextView *text_view = (ECellTextView *) ecell_view; - ECellText *ect = E_CELL_TEXT (ecell_view->ecell); - CellEdit *edit = text_view->edit; - gboolean selected; - GdkColor *foreground, *cursor_color; - GtkWidget *canvas = GTK_WIDGET (text_view->canvas); - GdkRectangle clip_rect; - int x_origin, y_origin; - - selected = flags & E_CELL_SELECTED; - - if (selected) { - if (flags & E_CELL_FOCUSED) - foreground = &canvas->style->fg [GTK_STATE_SELECTED]; - else - foreground = &canvas->style->fg [GTK_STATE_ACTIVE]; - cursor_color = foreground; - } else { - foreground = &canvas->style->text [GTK_STATE_NORMAL]; - cursor_color = foreground; - - if (ect->color_column != -1) { - char *color_spec; - GdkColor *cell_foreground; - - color_spec = e_table_model_value_at (ecell_view->e_table_model, - ect->color_column, row); - cell_foreground = e_cell_text_get_color (text_view, - color_spec); - if (cell_foreground) - foreground = cell_foreground; - } - } - - gdk_gc_set_foreground (text_view->gc, foreground); - - x1 += 4; - y1 += 1; - x2 -= 4; - y2 -= 1; - - x_origin = x1 + ect->x + text_view->xofs - (edit ? edit->xofs_edit : 0); - y_origin = y1 + ect->y + text_view->yofs - (edit ? edit->yofs_edit : 0); - - clip_rect.x = x1; - clip_rect.y = y1; - clip_rect.width = x2 - x1; - clip_rect.height = y2 - y1; - - gdk_gc_set_clip_rectangle (text_view->gc, &clip_rect); - /* clip_rect = ▭*/ - - layout = generate_layout (text_view, model_col, view_col, row, x2 - x1); - - gdk_draw_layout (drawable, text_view->gc, - x_origin, y_origin, - layout); - - if (edit && edit->view_col == view_col && edit->row == row) { - if (edit->selection_start != edit->selection_end) { - int start_index, end_index; - PangoLayoutLine *line; - gint *ranges; - gint n_ranges, i; - PangoRectangle logical_rect; - GdkRegion *clip_region = gdk_region_new (); - GdkRegion *rect_region; - GdkGC *selection_gc; - GdkGC *text_gc; - - start_index = MIN (edit->selection_start, edit->selection_end); - end_index = edit->selection_start ^ edit->selection_end ^ start_index; - - if (edit->has_selection) { - selection_gc = canvas->style->base_gc [GTK_STATE_SELECTED]; - text_gc = canvas->style->text_gc[GTK_STATE_SELECTED]; - } else { - selection_gc = canvas->style->base_gc [GTK_STATE_ACTIVE]; - text_gc = canvas->style->text_gc[GTK_STATE_ACTIVE]; - } - - gdk_gc_set_clip_rectangle (selection_gc, &clip_rect); - - line = pango_layout_get_lines (layout)->data; - - pango_layout_line_get_x_ranges (line, start_index, end_index, &ranges, &n_ranges); - - pango_layout_get_extents (layout, NULL, &logical_rect); - - for (i=0; i < n_ranges; i++) { - GdkRectangle sel_rect; - - sel_rect.x = x_origin + ranges[2*i] / PANGO_SCALE; - sel_rect.y = y_origin; - sel_rect.width = (ranges[2*i + 1] - ranges[2*i]) / PANGO_SCALE; - sel_rect.height = logical_rect.height / 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); - } - - 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, - x_origin, y_origin, - layout); - gdk_gc_set_clip_region (text_gc, NULL); - gdk_gc_set_clip_region (selection_gc, NULL); - - gdk_region_destroy (clip_region); - g_free (ranges); - } else { - if (edit->show_cursor) { - PangoRectangle strong_pos, weak_pos; - pango_layout_get_cursor_pos (layout, edit->selection_start, &strong_pos, &weak_pos); - draw_pango_rectangle (drawable, text_view->gc, x_origin, y_origin, 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, text_view->gc, x_origin, y_origin, weak_pos); - } - } - } - - g_object_unref (layout); -} - -/* - * Get the background color - */ -static gchar * -ect_get_bg_color(ECellView *ecell_view, int row) -{ - ECellText *ect = E_CELL_TEXT (ecell_view->ecell); - gchar *color_spec; - - if (ect->bg_color_column == -1) - return NULL; - - color_spec = e_table_model_value_at (ecell_view->e_table_model, - ect->bg_color_column, row); - - return color_spec; -} - - -/* - * Selects the entire string - */ -static void -ect_edit_select_all (ECellTextView *text_view) -{ - g_assert (text_view->edit); - - text_view->edit->selection_start = 0; - text_view->edit->selection_end = strlen (text_view->edit->text); -} - -static gboolean -key_begins_editing (GdkEventKey *event) -{ - if (event->length == 0) - return FALSE; - - return TRUE; -} - -/* - * ECell::event method - */ -static gint -ect_event (ECellView *ecell_view, GdkEvent *event, int model_col, int view_col, int row, ECellFlags flags, ECellActions *actions) -{ - ECellTextView *text_view = (ECellTextView *) ecell_view; - ETextEventProcessorEvent e_tep_event; - gboolean edit_display = FALSE; - CellEdit *edit = text_view->edit; - GtkWidget *canvas = GTK_WIDGET (text_view->canvas); - gint return_val = 0; - d(gboolean press = FALSE); - - if (!(flags & E_CELL_EDITING)) - return 0; - - if (edit && edit->view_col == view_col && edit->row == row) { - edit_display = TRUE; - } - - e_tep_event.type = event->type; - switch (event->type) { - case GDK_FOCUS_CHANGE: - break; - case GDK_KEY_PRESS: /* Fall Through */ - case GDK_KEY_RELEASE: - if (event->key.keyval == GDK_Escape){ - ect_cancel_edit (text_view); - return_val = TRUE; - break; - } - - if ((!edit_display) && - e_table_model_is_cell_editable (ecell_view->e_table_model, model_col, row) && - key_begins_editing (&event->key)) { - e_table_item_enter_edit (text_view->cell_view.e_table_item_view, view_col, row); - ect_edit_select_all (text_view); - edit = text_view->edit; - edit_display = TRUE; - } - if (edit_display) { - GdkEventKey key = event->key; - if (key.keyval == GDK_KP_Enter || key.keyval == GDK_Return){ - e_table_item_leave_edit_ (text_view->cell_view.e_table_item_view); - } else { - 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 (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 (edit); - edit->actions = 0; - return_val = e_text_event_processor_handle_event (edit->tep, &e_tep_event); - *actions = edit->actions; - if (e_tep_event.key.string) g_free (e_tep_event.key.string); - break; - } - } - - break; - case GDK_BUTTON_PRESS: /* Fall Through */ - d(press = TRUE); - case GDK_BUTTON_RELEASE: - d(g_print ("%s: %s\n", __FUNCTION__, press ? "GDK_BUTTON_PRESS" : "GDK_BUTTON_RELEASE")); - event->button.x -= 4; - event->button.y -= 1; - if ((!edit_display) - && e_table_model_is_cell_editable (ecell_view->e_table_model, model_col, row) - && event->type == GDK_BUTTON_RELEASE - && event->button.button == 1) { - GdkEventButton button = event->button; - - e_table_item_enter_edit (text_view->cell_view.e_table_item_view, view_col, row); - edit = text_view->edit; - edit_display = TRUE; - - e_tep_event.button.type = GDK_BUTTON_PRESS; - 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 (edit, event->button.x, event->button.y); - _get_tep (edit); - edit->actions = 0; - return_val = e_text_event_processor_handle_event (edit->tep, - &e_tep_event); - *actions = edit->actions; - if (event->button.button == 1) { - if (event->type == GDK_BUTTON_PRESS) - edit->button_down = TRUE; - else - edit->button_down = FALSE; - } - edit->lastx = button.x; - edit->lasty = button.y; - edit->last_state = button.state; - - e_tep_event.button.type = GDK_BUTTON_RELEASE; - } - if (edit_display) { - 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 (edit, event->button.x, event->button.y); - _get_tep (edit); - edit->actions = 0; - return_val = e_text_event_processor_handle_event (edit->tep, - &e_tep_event); - *actions = edit->actions; - if (event->button.button == 1) { - if (event->type == GDK_BUTTON_PRESS) - edit->button_down = TRUE; - else - edit->button_down = FALSE; - } - edit->lastx = button.x; - edit->lasty = button.y; - edit->last_state = button.state; - } - break; - case GDK_MOTION_NOTIFY: - event->motion.x -= 4; - event->motion.y -= 1; - if (edit_display) { - 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 (edit, event->motion.x, event->motion.y); - _get_tep (edit); - edit->actions = 0; - return_val = e_text_event_processor_handle_event (edit->tep, - &e_tep_event); - *actions = edit->actions; - edit->lastx = motion.x; - edit->lasty = motion.y; - edit->last_state = motion.state; - } - break; - case GDK_ENTER_NOTIFY: -#if 0 - edit->pointer_in = TRUE; -#endif - if (edit_display) { - if (edit->default_cursor_shown){ - gdk_window_set_cursor (canvas->window, text_view->i_cursor); - edit->default_cursor_shown = FALSE; - } - } - break; - case GDK_LEAVE_NOTIFY: -#if 0 - text_view->pointer_in = FALSE; -#endif - if (edit_display) { - if (! edit->default_cursor_shown){ - gdk_window_set_cursor (canvas->window, NULL); - edit->default_cursor_shown = TRUE; - } - } - break; - default: - break; - } - - if (return_val) - return return_val; -#if 0 - if (GNOME_CANVAS_ITEM_CLASS(parent_class)->event) - return GNOME_CANVAS_ITEM_CLASS(parent_class)->event (item, event); -#endif - else - return 0; - -} - -/* - * ECell::height method - */ -static int -ect_height (ECellView *ecell_view, int model_col, int view_col, int row) -{ - ECellTextView *text_view = (ECellTextView *) ecell_view; - gint height; - PangoLayout *layout; - - layout = generate_layout (text_view, model_col, view_col, row, 0); - pango_layout_get_pixel_size (layout, NULL, &height); - g_object_unref (layout); - return height + 2; -} - -/* - * ECellView::enter_edit method - */ -static void * -ect_enter_edit (ECellView *ecell_view, int model_col, int view_col, int row) -{ - ECellTextView *text_view = (ECellTextView *) ecell_view; - CellEdit *edit; - ECellText *ect = E_CELL_TEXT(ecell_view->ecell); - char *temp; - - edit = g_new0 (CellEdit, 1); - text_view->edit = edit; - - edit->view_col = -1; - edit->model_col = -1; - edit->row = -1; - - edit->text_view = text_view; - edit->model_col = model_col; - edit->view_col = view_col; - edit->row = row; - edit->cell_width = e_table_header_get_column ( - ((ETableItem *)ecell_view->e_table_item_view)->header, - view_col)->width - 8; - - edit->layout = generate_layout (text_view, model_col, view_col, row, edit->cell_width); - - edit->xofs_edit = 0.0; - edit->yofs_edit = 0.0; - - edit->selection_start = 0; - edit->selection_end = 0; - edit->select_by_word = FALSE; - - edit->timeout_id = g_timeout_add (10, _blink_scroll_timeout, text_view); - edit->timer = g_timer_new (); - g_timer_elapsed (edit->timer, &(edit->scroll_start)); - g_timer_start (edit->timer); - - edit->lastx = 0; - edit->lasty = 0; - edit->last_state = 0; - - edit->scroll_start = 0; - edit->show_cursor = TRUE; - edit->button_down = FALSE; - - edit->tep = NULL; - - edit->has_selection = FALSE; - - edit->invisible = NULL; - edit->primary_selection = NULL; - edit->primary_length = 0; - edit->clipboard_selection = NULL; - edit->clipboard_length = 0; - - edit->pointer_in = FALSE; - edit->default_cursor_shown = TRUE; - - temp = e_cell_text_get_text(ect, ecell_view->e_table_model, model_col, row); - edit->old_text = g_strdup (temp); - e_cell_text_free_text(ect, temp); - edit->text = g_strdup (edit->old_text); - -#if 0 - if (edit->pointer_in){ - if (edit->default_cursor_shown){ - gdk_window_set_cursor (GTK_WIDGET(item->canvas)->window, text_view->i_cursor); - edit->default_cursor_shown = FALSE; - } - } -#endif - - ect_queue_redraw (text_view, view_col, row); - - return NULL; -} - -/* - * ECellView::leave_edit method - */ -static void -ect_leave_edit (ECellView *ecell_view, int model_col, int view_col, int row, void *edit_context) -{ - ECellTextView *text_view = (ECellTextView *) ecell_view; - CellEdit *edit = text_view->edit; - - if (edit){ - ect_stop_editing (text_view, TRUE); - } else { - /* - * We did invoke this leave edit internally - */ - } -} - -/* - * ECellView::save_state method - */ -static void * -ect_save_state (ECellView *ecell_view, int model_col, int view_col, int row, void *edit_context) -{ - ECellTextView *text_view = (ECellTextView *) ecell_view; - CellEdit *edit = text_view->edit; - - int *save_state = g_new (int, 2); - - save_state[0] = edit->selection_start; - save_state[1] = edit->selection_end; - return save_state; -} - -/* - * ECellView::load_state method - */ -static void -ect_load_state (ECellView *ecell_view, int model_col, int view_col, int row, void *edit_context, void *save_state) -{ - ECellTextView *text_view = (ECellTextView *) ecell_view; - CellEdit *edit = text_view->edit; - int length; - int *selection = save_state; - - length = strlen (edit->text); - - edit->selection_start = MIN (selection[0], length); - edit->selection_end = MIN (selection[1], length); - - ect_queue_redraw (text_view, view_col, row); -} - -/* - * ECellView::free_state method - */ -static void -ect_free_state (ECellView *ecell_view, int model_col, int view_col, int row, void *save_state) -{ - g_free (save_state); -} - -static void -ect_print (ECellView *ecell_view, GnomePrintContext *context, - int model_col, int view_col, int row, - double width, double height) -{ - GnomeFont *font = gnome_font_find ("Helvetica", 12); - char *string; - ECellText *ect = E_CELL_TEXT(ecell_view->ecell); - string = e_cell_text_get_text(ect, ecell_view->e_table_model, model_col, row); - gnome_print_gsave(context); - if (gnome_print_moveto(context, 2, 2) == -1) - /* FIXME */; - if (gnome_print_lineto(context, width - 2, 2) == -1) - /* FIXME */; - if (gnome_print_lineto(context, width - 2, height - 2) == -1) - /* FIXME */; - if (gnome_print_lineto(context, 2, height - 2) == -1) - /* FIXME */; - if (gnome_print_lineto(context, 2, 2) == -1) - /* FIXME */; - if (gnome_print_clip(context) == -1) - /* FIXME */; - gnome_print_moveto(context, 2, (height - gnome_font_get_ascender(font) + gnome_font_get_descender(font)) / 2); - gnome_print_setfont(context, font); - gnome_print_show(context, string); - gnome_print_grestore(context); - e_cell_text_free_text(ect, string); -} - -static gdouble -ect_print_height (ECellView *ecell_view, GnomePrintContext *context, - int model_col, int view_col, int row, - double width) -{ - return 16; -} - -static int -ect_max_width (ECellView *ecell_view, - int model_col, - int view_col) -{ - /* New ECellText */ - ECellTextView *text_view = (ECellTextView *) ecell_view; - int row; - int number_of_rows; - int max_width = 0; - - number_of_rows = e_table_model_row_count (ecell_view->e_table_model); - - for (row = 0; row < number_of_rows; row++) { - PangoLayout *layout = generate_layout (text_view, model_col, view_col, row, 0); - int width; - - pango_layout_get_pixel_size (layout, &width, NULL); - - max_width = MAX (max_width, width); - g_object_unref (layout); - } - - return max_width + 8; -} - -static int -ect_max_width_by_row (ECellView *ecell_view, - int model_col, - int view_col, - int row) -{ - /* New ECellText */ - ECellTextView *text_view = (ECellTextView *) ecell_view; - int width; - PangoLayout *layout; - - if (row >= e_table_model_row_count (ecell_view->e_table_model)) - return 0; - - layout = generate_layout (text_view, model_col, view_col, row, 0); - pango_layout_get_pixel_size (layout, &width, NULL); - g_object_unref (layout); - - return width + 8; -} - -static gint -tooltip_event (GtkWidget *window, - GdkEvent *event, - ETableTooltip *tooltip) -{ - gint ret_val = FALSE; - - switch (event->type) { - case GDK_LEAVE_NOTIFY: - e_canvas_hide_tooltip (E_CANVAS(GNOME_CANVAS_ITEM(tooltip->eti)->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(tooltip->eti)->canvas)); - } - - event->button.x = tooltip->cx; - event->button.y = tooltip->cy; - g_signal_emit_by_name (tooltip->eti, "event", - event, &ret_val); - if (!ret_val) - gtk_propagate_event (GTK_WIDGET(GNOME_CANVAS_ITEM(tooltip->eti)->canvas), event); - ret_val = TRUE; - break; - case GDK_KEY_PRESS: - e_canvas_hide_tooltip (E_CANVAS(GNOME_CANVAS_ITEM(tooltip->eti)->canvas)); - g_signal_emit_by_name (tooltip->eti, "event", - event, &ret_val); - if (!ret_val) - gtk_propagate_event (GTK_WIDGET(GNOME_CANVAS_ITEM(tooltip->eti)->canvas), event); - ret_val = TRUE; - break; - default: - break; - } - - return ret_val; -} - -static void -ect_show_tooltip (ECellView *ecell_view, - int model_col, - int view_col, - int row, - int col_width, - ETableTooltip *tooltip) -{ - ECellTextView *text_view = (ECellTextView *) ecell_view; - GtkWidget *canvas; - 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; - GnomeCanvasItem *rect; - ECellText *ect = E_CELL_TEXT(ecell_view->ecell); - GtkWidget *window; - PangoLayout *layout; - int width, height; - - tooltip->timer = 0; - - layout = generate_layout (text_view, model_col, view_col, row, col_width); - - pango_layout_get_pixel_size (layout, &width, &height); - if (width < col_width - 8) { - return; - } - - gnome_canvas_item_i2c_affine (GNOME_CANVAS_ITEM (tooltip->eti), i2c); - art_affine_point (&pixel_origin, &origin, i2c); - - gdk_window_get_origin (GTK_WIDGET (text_view->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 (text_view->canvas))->value; - pixel_origin.y -= (int) gtk_layout_get_vadjustment (GTK_LAYOUT (text_view->canvas))->value; - - window = gtk_window_new (GTK_WINDOW_POPUP); - gtk_container_set_border_width (GTK_CONTAINER (window), 1); - - canvas = e_canvas_new (); - gtk_container_add (GTK_CONTAINER (window), canvas); - GTK_WIDGET_UNSET_FLAGS (canvas, GTK_CAN_FOCUS); - GTK_WIDGET_UNSET_FLAGS (window, GTK_CAN_FOCUS); - - rect = gnome_canvas_item_new (gnome_canvas_root (GNOME_CANVAS (canvas)), - gnome_canvas_rect_get_type (), - "x1", (double) 0.0, - "y1", (double) 0.0, - "x2", (double) width + 4, - "y2", (double) height, - "fill_color_gdk", tooltip->background, - NULL); - - tooltip_text = gnome_canvas_item_new (gnome_canvas_root (GNOME_CANVAS (canvas)), - e_text_get_type (), - "anchor", GTK_ANCHOR_NW, - "bold", (gboolean) ect->bold_column >= 0 && e_table_model_value_at(ecell_view->e_table_model, ect->bold_column, row), - "strikeout", (gboolean) ect->strikeout_column >= 0 && e_table_model_value_at(ecell_view->e_table_model, ect->strikeout_column, row), - "underline", (gboolean) ect->underline_column >= 0 && e_table_model_value_at(ecell_view->e_table_model, ect->underline_column, row), - "fill_color_gdk", tooltip->foreground, - "text", pango_layout_get_text (layout), - "editable", FALSE, - "clip_width", (double) width, - "clip_height", (double) height, - "clip", TRUE, - "line_wrap", FALSE, - "justification", E_CELL_TEXT (text_view->cell_view.ecell)->justify, - "draw_background", FALSE, - NULL); - - tooltip_width = width; - tooltip_height = height; - tooltip_y = tooltip->y; - - switch (E_CELL_TEXT (text_view->cell_view.ecell)->justify) { - 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 = tooltip->x; - break; - } - - gnome_canvas_item_move (tooltip_text, 3.0, 1.0); - gnome_canvas_item_set (rect, - "x2", (double) tooltip_width + 6, - "y2", (double) tooltip->row_height + 1, - NULL); - gtk_widget_set_usize (window, tooltip_width + 6, - tooltip->row_height + 1); - gnome_canvas_set_scroll_region (GNOME_CANVAS (canvas), 0.0, 0.0, - (double) tooltip_width + 6, - (double) tooltip_height); - gtk_widget_show (canvas); - gtk_widget_realize (window); - g_signal_connect (window, "event", - G_CALLBACK (tooltip_event), tooltip); - - e_canvas_popup_tooltip (E_CANVAS(text_view->canvas), window, pixel_origin.x + tooltip->x, - pixel_origin.y + tooltip->y - 1); - - return; -} - -/* - * GtkObject::destroy method - */ -static void -ect_finalize (GObject *object) -{ - ECellText *ect = E_CELL_TEXT (object); - - g_free (ect->font_name); - - G_OBJECT_CLASS (parent_class)->finalize (object); -} -/* Set_arg handler for the text item */ -static void -ect_set_property (GObject *object, - guint prop_id, - const GValue *value, - GParamSpec *pspec) -{ - ECellText *text; - - text = E_CELL_TEXT (object); - - switch (prop_id) { - case PROP_STRIKEOUT_COLUMN: - text->strikeout_column = g_value_get_int (value); - break; - - case PROP_UNDERLINE_COLUMN: - text->underline_column = g_value_get_int (value); - break; - - case PROP_BOLD_COLUMN: - text->bold_column = g_value_get_int (value); - break; - - case PROP_COLOR_COLUMN: - text->color_column = g_value_get_int (value); - break; - - case PROP_EDITABLE: - text->editable = g_value_get_boolean (value); - break; - - case PROP_BG_COLOR_COLUMN: - text->bg_color_column = g_value_get_int (value); - break; - - default: - return; - } -} - -/* Get_arg handler for the text item */ -static void -ect_get_property (GObject *object, - guint prop_id, - GValue *value, - GParamSpec *pspec) -{ - ECellText *text; - - text = E_CELL_TEXT (object); - - switch (prop_id) { - case PROP_STRIKEOUT_COLUMN: - g_value_set_int (value, text->strikeout_column); - break; - - case PROP_UNDERLINE_COLUMN: - g_value_set_int (value, text->underline_column); - break; - - case PROP_BOLD_COLUMN: - g_value_set_int (value, text->bold_column); - break; - - case PROP_COLOR_COLUMN: - g_value_set_int (value, text->color_column); - break; - - case PROP_EDITABLE: - g_value_set_boolean (value, text->editable); - break; - - case PROP_BG_COLOR_COLUMN: - g_value_set_int (value, text->bg_color_column); - break; - - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); - break; - } -} - -static char *ellipsis_default = NULL; -static gboolean use_ellipsis_default = TRUE; - -static void -e_cell_text_class_init (GObjectClass *object_class) -{ - ECellClass *ecc = (ECellClass *) object_class; - ECellTextClass *ectc = (ECellTextClass *) object_class; - const char *ellipsis_env; - - G_OBJECT_CLASS (object_class)->finalize = ect_finalize; - - ecc->new_view = ect_new_view; - ecc->kill_view = ect_kill_view; - ecc->realize = ect_realize; - ecc->unrealize = ect_unrealize; - ecc->draw = ect_draw; - ecc->event = ect_event; - ecc->height = ect_height; - ecc->enter_edit = ect_enter_edit; - ecc->leave_edit = ect_leave_edit; - ecc->save_state = ect_save_state; - ecc->load_state = ect_load_state; - ecc->free_state = ect_free_state; - ecc->print = ect_print; - ecc->print_height = ect_print_height; - ecc->max_width = ect_max_width; - ecc->max_width_by_row = ect_max_width_by_row; - ecc->show_tooltip = ect_show_tooltip; - ecc->get_bg_color = ect_get_bg_color; - - ectc->get_text = ect_real_get_text; - ectc->free_text = ect_real_free_text; - ectc->set_value = ect_real_set_value; - - object_class->get_property = ect_get_property; - object_class->set_property = ect_set_property; - - parent_class = g_type_class_ref (PARENT_TYPE); - - g_object_class_install_property (object_class, PROP_STRIKEOUT_COLUMN, - g_param_spec_int ("strikeout_column", - _("Strikeout Column"), - /*_( */"XXX blurb" /*)*/, - 0, G_MAXINT, 0, - G_PARAM_READWRITE)); - - g_object_class_install_property (object_class, PROP_UNDERLINE_COLUMN, - g_param_spec_int ("underline_column", - _("Underline Column"), - /*_( */"XXX blurb" /*)*/, - 0, G_MAXINT, 0, - G_PARAM_READWRITE)); - - g_object_class_install_property (object_class, PROP_BOLD_COLUMN, - g_param_spec_int ("bold_column", - _("Bold Column"), - /*_( */"XXX blurb" /*)*/, - 0, G_MAXINT, 0, - G_PARAM_READWRITE)); - - g_object_class_install_property (object_class, PROP_COLOR_COLUMN, - g_param_spec_int ("color_column", - _("Color Column"), - /*_( */"XXX blurb" /*)*/, - 0, G_MAXINT, 0, - G_PARAM_READWRITE)); - - g_object_class_install_property (object_class, PROP_EDITABLE, - g_param_spec_boolean ("editable", - _("Editable"), - /*_( */"XXX blurb" /*)*/, - FALSE, - G_PARAM_READWRITE)); - - g_object_class_install_property (object_class, PROP_BG_COLOR_COLUMN, - g_param_spec_int ("bg_color_column", - _("BG Color Column"), - /*_( */"XXX blurb" /*)*/, - 0, G_MAXINT, 0, - G_PARAM_READWRITE)); - - if (!clipboard_atom) - clipboard_atom = gdk_atom_intern ("CLIPBOARD", FALSE); - - ellipsis_env = g_getenv ("GAL_ELLIPSIS"); - if (ellipsis_env) { - if (*ellipsis_env) { - ellipsis_default = g_strdup (ellipsis_env); - } else { - use_ellipsis_default = FALSE; - } - } -} - -static void -e_cell_text_init (ECellText *ect) -{ - ect->ellipsis = g_strdup (ellipsis_default); - ect->use_ellipsis = use_ellipsis_default; - ect->strikeout_column = -1; - ect->underline_column = -1; - ect->bold_column = -1; - ect->color_column = -1; - ect->bg_color_column = -1; - ect->editable = TRUE; -} - -E_MAKE_TYPE(e_cell_text, "ECellText", ECellText, e_cell_text_class_init, e_cell_text_init, PARENT_TYPE) - -/** - * e_cell_text_construct: - * @cell: The cell to construct - * @fontname: this param is no longer used, but left here for api stability - * @justify: Justification of the string in the cell - * - * constructs the ECellText. To be used by subclasses and language - * bindings. - * - * Returns: The ECellText. - */ -ECell * -e_cell_text_construct (ECellText *cell, const char *fontname, GtkJustification justify) -{ - cell->font_name = g_strdup (fontname); - cell->justify = justify; - return E_CELL(cell); -} - -/** - * e_cell_text_new: - * @fontname: this param is no longer used, but left here for api stability - * @justify: Justification of the string in the cell. - * - * Creates a new ECell renderer that can be used to render strings that - * that come from the model. The value returned from the model is - * interpreted as being a char *. - * - * The ECellText object support a large set of properties that can be - * configured through the Gtk argument system and allows the user to have - * a finer control of the way the string is displayed. The arguments supported - * allow the control of strikeout, underline, bold, and color. - * - * The arguments "strikeout_column", "underline_column", "bold_column" - * and "color_column" set and return an integer that points to a - * column in the model that controls these settings. So controlling - * the way things are rendered is achieved by having special columns - * in the model that will be used to flag whether the text should be - * rendered with strikeout, or bolded. In the case of the - * "color_column" argument, the column in the model is expected to - * have a string that can be parsed by gdk_color_parse(). - * - * Returns: an ECell object that can be used to render strings. - */ -ECell * -e_cell_text_new (const char *fontname, GtkJustification justify) -{ - ECellText *ect = g_object_new (E_CELL_TEXT_TYPE, NULL); - - e_cell_text_construct(ect, fontname, justify); - - return (ECell *) ect; -} - - -/* fixme: Handle Font attributes */ -/* position is in BYTES */ - -static gint -get_position_from_xy (CellEdit *edit, gint x, gint y) -{ - int index; - int trailing; - const char *text; - PangoLayout *layout = generate_layout (edit->text_view, edit->model_col, edit->view_col, edit->row, edit->cell_width); - ECellTextView *text_view = edit->text_view; - ECellText *ect = (ECellText *) ((ECellView *)text_view)->ecell; - - x -= (ect->x + text_view->xofs - edit->xofs_edit); - y -= (ect->y + text_view->yofs - edit->yofs_edit); - - pango_layout_xy_to_index (layout, x * PANGO_SCALE, y * PANGO_SCALE, &index, &trailing); - - text = pango_layout_get_text (layout); - - return g_utf8_offset_to_pointer (text + index, trailing) - text; -} - -#define SCROLL_WAIT_TIME 30000 - -static gboolean -_blink_scroll_timeout (gpointer data) -{ - ECellTextView *text_view = (ECellTextView *) data; - ECellText *ect = E_CELL_TEXT (((ECellView *)text_view)->ecell); - CellEdit *edit = text_view->edit; - - gulong current_time; - gboolean scroll = FALSE; - gboolean redraw = FALSE; - int width, height; - - g_timer_elapsed (edit->timer, ¤t_time); - - if (edit->scroll_start + SCROLL_WAIT_TIME > 1000000) { - if (current_time > edit->scroll_start - (1000000 - SCROLL_WAIT_TIME) && - current_time < edit->scroll_start) - scroll = TRUE; - } else { - if (current_time > edit->scroll_start + SCROLL_WAIT_TIME || - current_time < edit->scroll_start) - scroll = TRUE; - } - - pango_layout_get_pixel_size (edit->layout, &width, &height); - - if (scroll && edit->button_down) { - /* FIXME: Copy this for y. */ - if (edit->lastx - ect->x > edit->cell_width) { - if (edit->xofs_edit < width - edit->cell_width) { - edit->xofs_edit += 4; - if (edit->xofs_edit > width - edit->cell_width + 1) - edit->xofs_edit = width - edit->cell_width + 1; - redraw = TRUE; - } - } - if (edit->lastx - ect->x < 0 && - edit->xofs_edit > 0) { - edit->xofs_edit -= 4; - if (edit->xofs_edit < 0) - edit->xofs_edit = 0; - redraw = TRUE; - } - if (redraw) { - ETextEventProcessorEvent e_tep_event; - e_tep_event.type = GDK_MOTION_NOTIFY; - e_tep_event.motion.state = edit->last_state; - e_tep_event.motion.time = 0; - e_tep_event.motion.position = get_position_from_xy (edit, edit->lastx, edit->lasty); - _get_tep (edit); - e_text_event_processor_handle_event (edit->tep, - &e_tep_event); - edit->scroll_start = current_time; - } - } - - if (!((current_time / 500000) % 2)) { - if (!edit->show_cursor) - redraw = TRUE; - edit->show_cursor = TRUE; - } else { - if (edit->show_cursor) - redraw = TRUE; - edit->show_cursor = FALSE; - } - if (redraw){ - ect_queue_redraw (text_view, edit->view_col, edit->row); - } - return TRUE; -} - -static int -next_word (CellEdit *edit, int start) -{ - char *p; - int length; - - length = strlen (edit->text); - if (start >= length) - return length; - - p = g_utf8_next_char (edit->text + start); - - while (*p && g_unichar_validate (g_utf8_get_char (p))) { - gunichar unival = g_utf8_get_char (p); - if (g_unichar_isspace (unival)) - return p - edit->text; - p = g_utf8_next_char (p); - } - - return p - edit->text; -} - -static int -_get_position (ECellTextView *text_view, ETextEventProcessorCommand *command) -{ - int length; - CellEdit *edit = text_view->edit; - gchar *p; - int unival; - int index; - int trailing; - - switch (command->position) { - - case E_TEP_VALUE: - return command->value; - - case E_TEP_SELECTION: - return edit->selection_end; - - case E_TEP_START_OF_BUFFER: - return 0; - - /* fixme: this probably confuses TEP */ - - case E_TEP_END_OF_BUFFER: - return strlen (edit->text); - - case E_TEP_START_OF_LINE: - - if (edit->selection_end < 1) return 0; - - p = g_utf8_find_prev_char (edit->text, edit->text + edit->selection_end); - - if (p == edit->text) return 0; - - p = g_utf8_find_prev_char (edit->text, p); - - while (p && p > edit->text) { - if (*p == '\n') return p - edit->text + 1; - p = g_utf8_find_prev_char (edit->text, p); - } - - return 0; - - case E_TEP_END_OF_LINE: - - length = strlen (edit->text); - if (edit->selection_end >= length) return length; - - p = g_utf8_next_char (edit->text + edit->selection_end); - - while (*p && g_unichar_validate (g_utf8_get_char (p))) { - if (*p == '\n') return p - edit->text; - p = g_utf8_next_char (p); - } - - return p - edit->text; - - case E_TEP_FORWARD_CHARACTER: - - length = strlen (edit->text); - if (edit->selection_end >= length) return length; - - p = g_utf8_next_char (edit->text + edit->selection_end); - - return p - edit->text; - - case E_TEP_BACKWARD_CHARACTER: - - if (edit->selection_end < 1) return 0; - - p = g_utf8_find_prev_char (edit->text, edit->text + edit->selection_end); - - if (p == NULL) return 0; - - return p - edit->text; - - case E_TEP_FORWARD_WORD: - return next_word (edit, edit->selection_end); - - case E_TEP_BACKWARD_WORD: - - if (edit->selection_end < 1) return 0; - - p = g_utf8_find_prev_char (edit->text, edit->text + edit->selection_end); - - if (p == edit->text) return 0; - - p = g_utf8_find_prev_char (edit->text, p); - - while (p && p > edit->text && g_unichar_validate (g_utf8_get_char (p))) { - unival = g_utf8_get_char (p); - if (g_unichar_isspace (unival)) { - return (g_utf8_next_char (p) - edit->text); - } - p = g_utf8_find_prev_char (edit->text, p); - } - - return 0; - - case E_TEP_FORWARD_LINE: - pango_layout_move_cursor_visually (edit->layout, - TRUE, - edit->selection_end, - 0, - TRUE, - &index, - &trailing); - index = g_utf8_offset_to_pointer (edit->text + index, trailing) - edit->text; - if (index < 0) - return 0; - length = strlen (edit->text); - if (index >= length) - return length; - return index; - case E_TEP_BACKWARD_LINE: - pango_layout_move_cursor_visually (edit->layout, - TRUE, - edit->selection_end, - 0, - TRUE, - &index, - &trailing); - - index = g_utf8_offset_to_pointer (edit->text + index, trailing) - edit->text; - if (index < 0) - return 0; - length = strlen (edit->text); - if (index >= length) - return length; - return index; - case E_TEP_FORWARD_PARAGRAPH: - case E_TEP_BACKWARD_PARAGRAPH: - - case E_TEP_FORWARD_PAGE: - case E_TEP_BACKWARD_PAGE: - return edit->selection_end; - default: - return edit->selection_end; - } - g_assert_not_reached (); - return 0; /* Kill warning */ -} - -static void -_delete_selection (ECellTextView *text_view) -{ - CellEdit *edit = text_view->edit; - gint length; - gchar *sp, *ep; - - if (edit->selection_end == edit->selection_start) return; - - if (edit->selection_end < edit->selection_start) { - edit->selection_end ^= edit->selection_start; - edit->selection_start ^= edit->selection_end; - edit->selection_end ^= edit->selection_start; - } - - sp = edit->text + edit->selection_start; - ep = edit->text + edit->selection_end; - length = strlen (ep) + 1; - - memmove (sp, ep, length); - - edit->selection_end = edit->selection_start; -} - -/* fixme: */ -/* NB! We expect value to be length IN BYTES */ - -static void -_insert (ECellTextView *text_view, char *string, int value) -{ - CellEdit *edit = text_view->edit; - char *temp; - - if (value <= 0) return; - - temp = g_new (gchar, strlen (edit->text) + value + 1); - - strncpy (temp, edit->text, edit->selection_start); - strncpy (temp + edit->selection_start, string, value); - strcpy (temp + edit->selection_start + value, edit->text + edit->selection_end); - - g_free (edit->text); - - edit->text = temp; - - edit->selection_start += value; - edit->selection_end = edit->selection_start; -} - -static void -capitalize (CellEdit *edit, int start, int end, ETextEventProcessorCaps type) -{ - ECellTextView *text_view = edit->text_view; - - gboolean first = TRUE; - int character_length = g_utf8_strlen (edit->text + start, start - end); - const char *p = edit->text + start; - const char *text_end = edit->text + end; - char *new_text = g_new0 (char, character_length * 6 + 1); - char *output = new_text; - - while (p && *p && p < text_end && g_unichar_validate (g_utf8_get_char (p))) { - 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; - - edit->selection_end = end; - edit->selection_start = start; - _delete_selection (text_view); - - _insert (text_view, new_text, output - new_text); - - g_free (new_text); -} - -static void -e_cell_text_view_command (ETextEventProcessor *tep, ETextEventProcessorCommand *command, gpointer data) -{ - CellEdit *edit = (CellEdit *) data; - ECellTextView *text_view = edit->text_view; - ECellText *ect = E_CELL_TEXT (text_view->cell_view.ecell); - - gboolean change = FALSE; - gboolean redraw = FALSE; - - int sel_start, sel_end; - - /* If the EText isn't editable, then ignore any commands that would - modify the text. */ - if (!ect->editable && (command->action == E_TEP_DELETE - || command->action == E_TEP_INSERT - || command->action == E_TEP_PASTE - || command->action == E_TEP_GET_SELECTION)) - return; - - switch (command->action) { - case E_TEP_MOVE: - edit->selection_start = _get_position (text_view, command); - edit->selection_end = edit->selection_start; - if (edit->timer) { - g_timer_reset (edit->timer); - } - redraw = TRUE; - break; - case E_TEP_SELECT: - edit->selection_end = _get_position (text_view, command); - sel_start = MIN(edit->selection_start, edit->selection_end); - sel_end = MAX(edit->selection_start, edit->selection_end); - if (sel_start != sel_end) { - e_cell_text_view_supply_selection (edit, command->time, GDK_SELECTION_PRIMARY, - edit->text + sel_start, - sel_end - sel_start); - } else if (edit->timer) { - g_timer_reset (edit->timer); - } - redraw = TRUE; - break; - case E_TEP_DELETE: - if (edit->selection_end == edit->selection_start) { - edit->selection_end = _get_position (text_view, command); - } - _delete_selection (text_view); - if (edit->timer) { - g_timer_reset (edit->timer); - } - redraw = TRUE; - change = TRUE; - break; - - case E_TEP_INSERT: - if (edit->selection_end != edit->selection_start) { - _delete_selection (text_view); - } - _insert (text_view, command->string, command->value); - if (edit->timer) { - g_timer_reset (edit->timer); - } - redraw = TRUE; - change = TRUE; - break; - case E_TEP_COPY: - sel_start = MIN(edit->selection_start, edit->selection_end); - sel_end = MAX(edit->selection_start, edit->selection_end); - if (sel_start != sel_end) { - e_cell_text_view_supply_selection (edit, command->time, clipboard_atom, - edit->text + sel_start, - sel_end - sel_start); - } - if (edit->timer) { - g_timer_reset (edit->timer); - } - break; - case E_TEP_PASTE: - e_cell_text_view_get_selection (edit, clipboard_atom, command->time); - if (edit->timer) { - g_timer_reset (edit->timer); - } - redraw = TRUE; - change = TRUE; - break; - case E_TEP_GET_SELECTION: - e_cell_text_view_get_selection (edit, GDK_SELECTION_PRIMARY, command->time); - break; - case E_TEP_ACTIVATE: - e_table_item_leave_edit_ (text_view->cell_view.e_table_item_view); - break; - case E_TEP_SET_SELECT_BY_WORD: - edit->select_by_word = command->value; - break; - case E_TEP_GRAB: - edit->actions = E_CELL_GRAB; - break; - case E_TEP_UNGRAB: - edit->actions = E_CELL_UNGRAB; - break; - case E_TEP_CAPS: - if (edit->selection_start == edit->selection_end) { - capitalize (edit, edit->selection_start, next_word (edit, edit->selection_start), command->value); - } else { - int selection_start = MIN (edit->selection_start, edit->selection_end); - int selection_end = edit->selection_start + edit->selection_end - selection_start; /* Slightly faster than MAX */ - capitalize (edit, selection_start, selection_end, command->value); - } - if (edit->timer) { - g_timer_reset (edit->timer); - } - redraw = TRUE; - change = TRUE; - break; - case E_TEP_NOP: - break; - } - - if (change) { - if (edit->layout) - g_object_unref (edit->layout); - edit->layout = build_layout (text_view, edit->row, edit->text, edit->cell_width); - } - - if (!edit->button_down) { - PangoRectangle strong_pos, weak_pos; - pango_layout_get_cursor_pos (edit->layout, edit->selection_end, &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) { - if (show_pango_rectangle (edit, weak_pos)) - redraw = TRUE; - } - if (show_pango_rectangle (edit, strong_pos)) { - redraw = TRUE; - } - } - - if (redraw){ - ect_queue_redraw (text_view, edit->view_col, edit->row); - } -} - -#ifdef DO_SELECTION -static void -_selection_clear_event (GtkInvisible *invisible, - GdkEventSelection *event, - CellEdit *edit) -{ - if (event->selection == GDK_SELECTION_PRIMARY) { - g_free (edit->primary_selection); - edit->primary_selection = NULL; - edit->primary_length = 0; - - edit->has_selection = FALSE; -#if 0 - gnome_canvas_item_request_update (GNOME_CANVAS_ITEM(text)); -#endif - - } else if (event->selection == clipboard_atom) { - g_free (edit->clipboard_selection); - edit->clipboard_selection = NULL; - edit->clipboard_length = 0; - } -} - -static void -_selection_get (GtkInvisible *invisible, - GtkSelectionData *selection_data, - guint info, - guint time_stamp, - CellEdit *edit) -{ - switch (info) { - case E_SELECTION_PRIMARY: - gtk_selection_data_set (selection_data, GDK_SELECTION_TYPE_STRING, - 8, edit->primary_selection, edit->primary_length); - break; - case E_SELECTION_CLIPBOARD: - gtk_selection_data_set (selection_data, GDK_SELECTION_TYPE_STRING, - 8, edit->clipboard_selection, edit->clipboard_length); - break; - } -} - -/* fixme: What happens, if delivered string is not UTF-8? */ - -static void -_selection_received (GtkInvisible *invisible, - GtkSelectionData *selection_data, - guint time, - CellEdit *edit) -{ - if (selection_data->length < 0 || selection_data->type != GDK_SELECTION_TYPE_STRING) { - return; - } else { - ETextEventProcessorCommand command; - command.action = E_TEP_INSERT; - command.position = E_TEP_SELECTION; - command.string = selection_data->data; - command.value = selection_data->length; - command.time = time; - e_cell_text_view_command (edit->tep, &command, edit); - } -} - -static GtkWidget *e_cell_text_view_get_invisible (CellEdit *edit) -{ - if (edit->invisible == NULL) { - GtkWidget *invisible = gtk_invisible_new (); - edit->invisible = invisible; - - gtk_selection_add_target (invisible, - GDK_SELECTION_PRIMARY, - GDK_SELECTION_TYPE_STRING, - E_SELECTION_PRIMARY); - gtk_selection_add_target (invisible, - clipboard_atom, - GDK_SELECTION_TYPE_STRING, - E_SELECTION_CLIPBOARD); - - g_signal_connect (invisible, "selection_get", - G_CALLBACK (_selection_get), - edit); - g_signal_connect (invisible, "selection_clear_event", - G_CALLBACK (_selection_clear_event), - edit); - g_signal_connect (invisible, "selection_received", - G_CALLBACK (_selection_received), - edit); - - g_object_weak_ref (G_OBJECT (invisible), invisible_finalize, edit); - } - return edit->invisible; -} -#endif - -static void -e_cell_text_view_supply_selection (CellEdit *edit, guint time, GdkAtom selection, char *data, gint length) -{ -#if DO_SELECTION - gboolean successful; - GtkWidget *invisible; - - invisible = e_cell_text_view_get_invisible (edit); - - if (selection == GDK_SELECTION_PRIMARY){ - if (edit->primary_selection) { - g_free (edit->primary_selection); - } - edit->primary_selection = g_strndup (data, length); - edit->primary_length = length; - } else if (selection == clipboard_atom) { - if (edit->clipboard_selection) { - g_free (edit->clipboard_selection); - } - edit->clipboard_selection = g_strndup (data, length); - edit->clipboard_length = length; - } - - successful = gtk_selection_owner_set (invisible, - selection, - time); - - if (selection == GDK_SELECTION_PRIMARY) - edit->has_selection = successful; -#endif -} - -static void -e_cell_text_view_get_selection (CellEdit *edit, GdkAtom selection, guint32 time) -{ -#if DO_SELECTION - GtkWidget *invisible; - invisible = e_cell_text_view_get_invisible (edit); - gtk_selection_convert (invisible, - selection, - GDK_SELECTION_TYPE_STRING, - time); -#endif -} - -static void -_get_tep (CellEdit *edit) -{ - if (!edit->tep) { - edit->tep = e_text_event_processor_emacs_like_new (); - g_signal_connect (edit->tep, - "command", - G_CALLBACK(e_cell_text_view_command), - (gpointer) edit); - } -} - -static GdkColor* -e_cell_text_get_color (ECellTextView *cell_view, gchar *color_spec) -{ - ECellText *ect = E_CELL_TEXT (((ECellView*) cell_view)->ecell); - GdkColormap *colormap; - GdkColor *color, tmp_color; - - /* If the color spec is NULL we use the default color. */ - if (color_spec == NULL) - return NULL; - - /* Create the hash table if we haven't already. */ - if (!ect->colors) - ect->colors = g_hash_table_new (g_str_hash, g_str_equal); - - /* See if we've already allocated the color. Note that we use a - special value of (GdkColor*) 1 in the hash to indicate that we've - already tried and failed to allocate the color, so we don't keep - trying to allocate it. */ - color = g_hash_table_lookup (ect->colors, color_spec); - if (color == (GdkColor*) 1) - return NULL; - if (color) - return color; - - /* Try to parse the color. */ - if (gdk_color_parse (color_spec, &tmp_color)) { - colormap = gtk_widget_get_colormap (GTK_WIDGET (cell_view->canvas)); - - /* Try to allocate the color. */ - if (gdk_color_alloc (colormap, &tmp_color)) - color = gdk_color_copy (&tmp_color); - } - - g_hash_table_insert (ect->colors, g_strdup (color_spec), - color ? color : (GdkColor*) 1); - return color; -} - |