diff options
Diffstat (limited to 'widgets/table/e-cell-text.c')
| -rw-r--r-- | widgets/table/e-cell-text.c | 1887 |
1 files changed, 0 insertions, 1887 deletions
diff --git a/widgets/table/e-cell-text.c b/widgets/table/e-cell-text.c deleted file mode 100644 index 37213e3904..0000000000 --- a/widgets/table/e-cell-text.c +++ /dev/null @@ -1,1887 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ -/* e-cell-text.c - Text cell renderer - * Copyright (C) 2000 Helix Code, Inc. - * - * Authors: Miguel de Icaza (miguel@kernel.org) - * Chris Lahey <clahey@umich.edu> - * - * - * 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> */ -#include <config.h> -#include <gtk/gtkenums.h> -#include <gtk/gtkentry.h> -#include <gtk/gtkwindow.h> -#include <gtk/gtkinvisible.h> -#include <gtk/gtksignal.h> -#include <gdk/gdkkeysyms.h> -#include <libgnomeui/gnome-canvas.h> -#include <stdio.h> -#include "e-cell-text.h" -#include "e-util/e-util.h" -#include "e-table-item.h" -#include "e-text-event-processor-emacs-like.h" - -#include <gdk/gdkx.h> /* for BlackPixel */ -#include <ctype.h> -#include <math.h> - - - -/* This defines a line of text */ -struct line { - char *text; /* Line's text, it is a pointer into the text->text string */ - int length; /* Line's length in characters */ - int width; /* Line's width in pixels */ - int ellipsis_length; /* Length before adding ellipsis */ -}; - - - -/* Object argument IDs */ -enum { - ARG_0, - ARG_TEXT, - ARG_X, - ARG_Y, - ARG_FONT, - ARG_FONTSET, - ARG_FONT_GDK, - ARG_ANCHOR, - ARG_JUSTIFICATION, - ARG_CLIP_WIDTH, - ARG_CLIP_HEIGHT, - ARG_CLIP, - ARG_X_OFFSET, - ARG_Y_OFFSET, - ARG_FILL_COLOR, - ARG_FILL_COLOR_GDK, - ARG_FILL_COLOR_RGBA, - ARG_FILL_STIPPLE, - ARG_TEXT_WIDTH, - ARG_TEXT_HEIGHT, - ARG_EDITABLE, - ARG_USE_ELLIPSIS, - ARG_ELLIPSIS -}; - - -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; - GdkFont *font; - 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; /* The width of the ellipsis. */ - -} ECellTextView; - -typedef struct _CurrentCell{ - ECellTextView *text_view; - int width; - gchar *text; - int model_col, view_col, row; - ECellTextLineBreaks *breaks; -} CurrentCell; - -#define CURRENT_CELL(x) ((CurrentCell *)(x)) - -struct _CellEdit { - CurrentCell cell; - - 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 */ - int selection_end; /* End of selection */ - 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 */ - gchar *clipboard_selection; /* Clipboard selection text */ - gint clipboard_length; /* Clipboard selection text length*/ - - guint pointer_in : 1; - guint default_cursor_shown : 1; -}; - -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, guchar *data, gint length); - -static GtkWidget *e_cell_text_view_get_invisible(CellEdit *edit); -static void _selection_clear_event (GtkInvisible *invisible, - GdkEventSelection *event, - CellEdit *edit); -static void _selection_get (GtkInvisible *invisible, - GtkSelectionData *selection_data, - guint info, - guint time_stamp, - CellEdit *edit); -static void _selection_received (GtkInvisible *invisible, - GtkSelectionData *selection_data, - guint time, - CellEdit *edit); -static void split_into_lines (CurrentCell *cell); -static void unref_lines(CurrentCell *cell); -static void calc_line_widths (CurrentCell *cell); -static int get_line_ypos (CurrentCell *cell, struct line *line); -static int get_line_xpos (CurrentCell *cell, struct line *line); -static void _get_tep(CellEdit *edit); - -static gint _get_position_from_xy (CurrentCell *cell, gint x, gint y); -static void _get_xy_from_position (CurrentCell *cell, gint position, gint *xp, gint *yp); -static gboolean _blink_scroll_timeout (gpointer data); - -static void build_current_cell (CurrentCell *cell, ECellTextView *text_view, int model_col, int view_col, int row); -static void calc_ellipsis (ECellTextView *text_view); - -static ECellClass *parent_class; - -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); -} - -/* - * Accept the currently edited text - */ -static void -ect_accept_edits (ECellTextView *text_view) -{ - CurrentCell *cell = (CurrentCell *) text_view->edit; - - e_table_model_set_value_at (text_view->cell_view.e_table_model, cell->model_col, cell->row, cell->text); -} - -/* - * Shuts down the editing process - */ -static void -ect_stop_editing (ECellTextView *text_view) -{ - CellEdit *edit = text_view->edit; - int row, view_col; - - row = edit->cell.row; - view_col = edit->cell.view_col; - - g_free (edit->old_text); - edit->old_text = NULL; - g_free (edit->cell.text); - edit->cell.text = NULL; - if (edit->invisible) - gtk_widget_unref (edit->invisible); - if (edit->tep) - gtk_object_unref (GTK_OBJECT(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; - } - - g_free (edit); - - text_view->edit = NULL; - ect_queue_redraw (text_view, view_col, row); -} - -/* - * Cancels the edits - */ -static void -ect_cancel_edit (ECellTextView *text_view) -{ - ect_stop_editing (text_view); -} - -/* - * ECell::new_view method - */ -static ECellView * -ect_new_view (ECell *ecell, ETableModel *table_model, void *e_table_item_view) -{ - ECellText *ect = E_CELL_TEXT (ecell); - 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; - - if (ect->font_name){ - GdkFont *f; - - f = gdk_fontset_load (ect->font_name); - text_view->font = f; - } - if (!text_view->font){ - text_view->font = GTK_WIDGET (canvas)->style->font; - - gdk_font_ref (text_view->font); - } - - 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); - - calc_ellipsis (text_view); - - if (parent_class->realize) - (* parent_class->realize) (ecell_view); -} - -/* - * ECell::unrealize method - */ -static void -ect_unrealize (ECellView *ecv) -{ - ECellTextView *text_view = (ECellTextView *) ecv; - - gdk_gc_unref (text_view->gc); - text_view->gc = NULL; - - if (text_view->font) - gdk_font_unref (text_view->font); - - if (text_view->stipple) - gdk_bitmap_unref (text_view->stipple); - - gdk_cursor_destroy (text_view->i_cursor); - - if (parent_class->unrealize) - (* parent_class->unrealize) (ecv); -} - -/* - * ECell::draw method - */ -static void -ect_draw (ECellView *ecell_view, GdkDrawable *drawable, - int model_col, int view_col, int row, gboolean selected, - int x1, int y1, int x2, int y2) -{ - /* New ECellText */ - ECellText *ect = E_CELL_TEXT (ecell_view->ecell); - ECellTextView *text_view = (ECellTextView *) ecell_view; - GtkWidget *canvas = GTK_WIDGET (text_view->canvas); - GdkRectangle rect, *clip_rect; - struct line *lines; - int i; - int xpos, ypos; - int start_char, end_char; - int sel_start, sel_end; - GdkRectangle sel_rect; - GdkGC *fg_gc; - GdkFont *font = text_view->font; - const int height = font->ascent + font->descent; - CellEdit *edit = text_view->edit; - gboolean edit_display = FALSE; - ECellTextLineBreaks *linebreaks; - - - if (edit){ - - if ((edit->cell.view_col == view_col) && (edit->cell.row == row)) { - edit_display = TRUE; - fg_gc = canvas->style->fg_gc[edit->has_selection ? GTK_STATE_SELECTED : GTK_STATE_ACTIVE]; - } else - fg_gc = canvas->style->fg_gc[GTK_STATE_ACTIVE]; - } else { - fg_gc = canvas->style->fg_gc[GTK_STATE_ACTIVE]; - } - - /* - * Be a nice citizen: clip to the region we are supposed to draw on - */ - rect.x = x1; - rect.y = y1; - rect.width = x2 - x1; - rect.height = y2 - y1; - - gdk_gc_set_clip_rectangle (text_view->gc, &rect); - gdk_gc_set_clip_rectangle (fg_gc, &rect); - clip_rect = ▭ - - gdk_gc_set_foreground (text_view->gc, &canvas->style->base [GTK_STATE_NORMAL]); - gdk_draw_rectangle (drawable, text_view->gc, TRUE, - rect.x, rect.y, rect.width, rect.height); - gdk_gc_set_foreground (text_view->gc, &canvas->style->text [GTK_STATE_NORMAL]); - - x1 += 4; - y1 += 1; - x2 -= 4; - y2 -= 1; - - rect.x = x1; - rect.y = y1; - rect.width = x2 - x1; - rect.height = y2 - y1; - - gdk_gc_set_clip_rectangle (text_view->gc, &rect); - gdk_gc_set_clip_rectangle (fg_gc, &rect); - clip_rect = ▭ - - if ( edit_display ) { - CellEdit *edit = text_view->edit; - CurrentCell *cell = CURRENT_CELL(edit); - - cell->width = x2 - x1; - - split_into_lines(cell); - - linebreaks = cell->breaks; - - lines = linebreaks->lines; - ypos = get_line_ypos (cell, lines); - ypos += font->ascent; - ypos -= edit->yofs_edit; - - for (i = 0; i < linebreaks->num_lines; i++) { - xpos = get_line_xpos (cell, lines); - xpos -= edit->xofs_edit; - start_char = lines->text - cell->text; - end_char = start_char + lines->length; - sel_start = edit->selection_start; - sel_end = edit->selection_end; - if (sel_start > sel_end ) { - sel_start ^= sel_end; - sel_end ^= sel_start; - sel_start ^= sel_end; - } - if ( sel_start < start_char ) - sel_start = start_char; - if ( sel_end > end_char ) - sel_end = end_char; - if ( sel_start < sel_end ) { - sel_rect.x = xpos + x1 + gdk_text_width (font, - lines->text, - sel_start - start_char); - sel_rect.y = ypos + y1 - font->ascent; - sel_rect.width = gdk_text_width (font, - lines->text + sel_start - start_char, - sel_end - sel_start); - sel_rect.height = height; - gtk_paint_flat_box(canvas->style, - drawable, - edit->has_selection ? - GTK_STATE_SELECTED : - GTK_STATE_ACTIVE, - GTK_SHADOW_NONE, - clip_rect, - canvas, - "text", - sel_rect.x, - sel_rect.y, - sel_rect.width, - sel_rect.height); - gdk_draw_text (drawable, - font, - text_view->gc, - xpos + x1, - ypos + y1, - lines->text, - sel_start - start_char); - gdk_draw_text (drawable, - font, - fg_gc, - xpos + x1 + gdk_text_width (font, - lines->text, - sel_start - start_char), - ypos + y1, - lines->text + sel_start - start_char, - sel_end - sel_start); - gdk_draw_text (drawable, - font, - text_view->gc, - xpos + x1 + gdk_text_width (font, - lines->text, - sel_end - start_char), - ypos + y1, - lines->text + sel_end - start_char, - end_char - sel_end); - } else { - gdk_draw_text (drawable, - font, - text_view->gc, - xpos + x1, - ypos + y1, - lines->text, - lines->length); - } - if (edit->selection_start == edit->selection_end && - edit->selection_start >= start_char && - edit->selection_start <= end_char && - edit->show_cursor) { - gdk_draw_rectangle (drawable, - text_view->gc, - TRUE, - xpos + x1 + gdk_text_width (font, - lines->text, - sel_start - start_char), - ypos + y1 - font->ascent, - 1, - height); - } - } - unref_lines(cell); - } else { - - ECellTextLineBreaks *linebreaks; - CurrentCell cell; - build_current_cell ( &cell, text_view, model_col, view_col, row ); - - cell.width = x2 - x1; - - split_into_lines(&cell); - - linebreaks = cell.breaks; - lines = linebreaks->lines; - ypos = get_line_ypos(&cell, lines); - ypos += font->ascent; - - for (i = 0; i < linebreaks->num_lines; i++) { - xpos = get_line_xpos (&cell, lines); - if ( ect->use_ellipsis && lines->ellipsis_length < lines->length) { - gdk_draw_text (drawable, - font, - text_view->gc, - xpos + x1, - ypos + y1, - lines->text, - lines->ellipsis_length); - gdk_draw_text (drawable, - font, - text_view->gc, - xpos + x1 + - lines->width - text_view->ellipsis_width, - ypos + y1, - ect->ellipsis ? ect->ellipsis : "...", - ect->ellipsis ? strlen (ect->ellipsis) : 3); - } else { - gdk_draw_text (drawable, - font, - text_view->gc, - xpos + x1, - ypos + y1, - lines->text, - lines->length); - } - } - - ypos += height; - lines++; - unref_lines(&cell); - } - - gdk_gc_set_clip_rectangle (text_view->gc, NULL); - gdk_gc_set_clip_rectangle (fg_gc, NULL); -#if 0 - /* Old ECellText */ - - int xoff; - gboolean edit_display = FALSE; - - /* - * Figure if this cell is being edited - */ - if (edit_display){ - CellEdit *edit = text_view->edit; - const char *text = gtk_entry_get_text (edit->entry); - GdkWChar *p, *text_wc = g_new (GdkWChar, strlen (text) + 1); - int text_wc_len = gdk_mbstowcs (text_wc, text, strlen (text)); - const int cursor_pos = GTK_EDITABLE (edit->entry)->current_pos; - const int left_len = gdk_text_width_wc (text_view->font, text_wc, cursor_pos); - - text_wc [text_wc_len] = 0; - /* - * Paint - */ - gdk_gc_set_foreground (text_view->gc, &w->style->base [GTK_STATE_NORMAL]); - gdk_draw_rectangle (drawable, text_view->gc, TRUE, - rect.x, rect.y, rect.width, rect.height); - gdk_gc_set_foreground (text_view->gc, &w->style->text [GTK_STATE_NORMAL]); - - { - GdkGC *gc = text_view->gc; - const int y = y2 - font->descent - ((y2-y1-height)/2); - int px, i; - - /* - * Border - */ - x1 += 2; - x2--; - - px = x1; - - /* - * If the cursor is outside the visible range - * - * FIXME: we really want a better behaviour. - */ - if ((px + left_len) > x2) - px -= left_len - (x2-x1); - - /* - * Draw - */ - for (i = 0, p = text_wc; *p; p++, i++){ - gdk_draw_text_wc ( - drawable, font, gc, px, y, p, 1); - - if (i == cursor_pos){ - gdk_draw_line ( - drawable, gc, - px, y - font->ascent, - px, y + font->descent - 1); - } - - px += gdk_text_width_wc (font, p, 1); - } - - if (i == cursor_pos){ - gdk_draw_line ( - drawable, gc, - px, y - font->ascent, - px, y + font->descent - 1); - } - } - g_free (text_wc); - } else { - /* - * Regular cell - */ - GdkColor *background, *foreground; - int width; - - /* - * Border - */ - x1++; - x2--; - - /* - * Compute draw mode - */ - switch (ect->justify){ - case GTK_JUSTIFY_LEFT: - xoff = 1; - break; - - case GTK_JUSTIFY_RIGHT: - width = 1 + gdk_text_width (font, str, strlen (str)); - xoff = (x2 - x1) - width; - break; - - case GTK_JUSTIFY_CENTER: - xoff = ((x2 - x1) - gdk_text_width (font, str, strlen (str))) / 2; - break; - default: - xoff = 0; - g_warning ("Can not handle GTK_JUSTIFY_FILL"); - break; - } - - - if (selected){ - background = &w->style->bg [GTK_STATE_SELECTED]; - foreground = &w->style->text [GTK_STATE_SELECTED]; - } else { - background = &w->style->base [GTK_STATE_NORMAL]; - foreground = &w->style->text [GTK_STATE_NORMAL]; - } - - gdk_gc_set_foreground (text_view->gc, background); - gdk_draw_rectangle (drawable, text_view->gc, TRUE, - rect.x, rect.y, rect.width, rect.height); - gdk_gc_set_foreground (text_view->gc, foreground); - - gdk_draw_string ( - drawable, font, text_view->gc, - x1 + xoff, - y2 - font->descent - ((y2-y1-height)/2), str); - } -#endif -} - -/* - * 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->cell.text); -} - -/* - * ECell::event method - */ -static gint -ect_event (ECellView *ecell_view, GdkEvent *event, int model_col, int view_col, int row) -{ - ECellTextView *text_view = (ECellTextView *) ecell_view; - ECellText *ect = E_CELL_TEXT (ecell_view->ecell); - ETextEventProcessorEvent e_tep_event; - gboolean edit_display = FALSE; - CellEdit *edit = text_view->edit; - GtkWidget *canvas = GTK_WIDGET (text_view->canvas); - gint return_val = 0; - - CurrentCell cell, *cellptr; - build_current_cell ( &cell, text_view, model_col, view_col, row ); - - - if (edit){ - if ((edit->cell.view_col == view_col) && (edit->cell.row == row)) { - edit_display = TRUE; - cellptr = CURRENT_CELL(edit); - } else { - cellptr = &cell; - } - } else { - cellptr = &cell; - } - - 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 TRUE; - } - - if ((!edit_display) && ect->editable) { - 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; - cellptr = CURRENT_CELL(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; - e_tep_event.key.length = key.length; - e_tep_event.key.string = key.string; - _get_tep(edit); - return e_text_event_processor_handle_event (edit->tep, - &e_tep_event); - } - } - - else - return 0; - break; - case GDK_BUTTON_PRESS: /* Fall Through */ - case GDK_BUTTON_RELEASE: - event->button.x -= 4; - event->button.y -= 1; - if ((!edit_display) - && ect->editable - && 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; - cellptr = CURRENT_CELL(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(cellptr, button.x, button.y); - _get_tep(edit); - return_val = e_text_event_processor_handle_event (edit->tep, - &e_tep_event); - 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(cellptr, button.x, button.y); - _get_tep(edit); - return_val = e_text_event_processor_handle_event (edit->tep, - &e_tep_event); - 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(cellptr, motion.x, motion.y); - _get_tep(edit); - return_val = e_text_event_processor_handle_event (edit->tep, - &e_tep_event); - 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; - -#if 0 - switch (event->type){ - case GDK_BUTTON_PRESS: - /* - * Adjust for the border we use - */ - event->button.x++; - - printf ("Button pressed at %g %g\n", event->button.x, event->button.y); - if (text_view->edit){ - printf ("FIXME: Should handle click here\n"); - } else - e_table_item_enter_edit (text_view->cell_view.e_table_item_view, view_col, row); - break; - - case GDK_KEY_PRESS: - if (event->key.keyval == GDK_Escape){ - ect_cancel_edit (text_view); - return TRUE; - } - - if (!text_view->edit){ - e_table_item_enter_edit (text_view->cell_view.e_table_item_view, view_col, row); - ect_edit_select_all (text_view); - } - - gtk_widget_event (GTK_WIDGET (text_view->edit->entry), event); - ect_queue_redraw (text_view, view_col, row); - break; -#endif -} - -/* - * ECell::height method - */ -static int -ect_height (ECellView *ecell_view, int model_col, int view_col, int row) -{ - ECellTextView *text_view = (ECellTextView *) ecell_view; - CurrentCell cell; - int return_val; - - build_current_cell ( &cell, text_view, model_col, view_col, row ); - split_into_lines( &cell ); - - return_val = (text_view->font->ascent + text_view->font->descent) * cell.breaks->num_lines + TEXT_PAD; - - unref_lines( &cell ); - - return return_val; -} - -/* - * 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; - const char *str = e_table_model_value_at (ecell_view->e_table_model, model_col, row); - CellEdit *edit; - - edit = g_new (CellEdit, 1); - text_view->edit = edit; - - build_current_cell ( CURRENT_CELL(edit), text_view, model_col, view_col, row ); - - 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; - - edit->old_text = g_strdup (str); - edit->cell.text = g_strdup (str); - -#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_accept_edits (text_view); - ect_stop_editing (text_view); - } else { - /* - * We did invoke this leave edit internally - */ - } -} - -/* - * GtkObject::destroy method - */ -static void -ect_destroy (GtkObject *object) -{ - ECellText *ect = E_CELL_TEXT (object); - - g_free (ect->font_name); - - GTK_OBJECT_CLASS (parent_class)->destroy (object); -} - -static void -e_cell_text_class_init (GtkObjectClass *object_class) -{ - ECellClass *ecc = (ECellClass *) object_class; - - object_class->destroy = ect_destroy; - - 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; - - parent_class = gtk_type_class (PARENT_TYPE); - - if (!clipboard_atom) - clipboard_atom = gdk_atom_intern ("CLIPBOARD", FALSE); -} - -E_MAKE_TYPE(e_cell_text, "ECellText", ECellText, e_cell_text_class_init, NULL, PARENT_TYPE); - -ECell * -e_cell_text_new (ETableModel *etm, const char *fontname, GtkJustification justify, gboolean editable) -{ - ECellText *ect = gtk_type_new (e_cell_text_get_type ()); - - ect->ellipsis = NULL; - ect->use_ellipsis = TRUE; - - ect->editable = editable; - - ect->font_name = g_strdup (fontname); - ect->justify = justify; - - return (ECell *) ect; -} - -/* Calculates the x position of the specified line of text, based on the text's justification */ -static int -get_line_xpos (CurrentCell *cell, struct line *line) -{ - int x; - - ECellTextView *text_view = cell->text_view; - ECellText *ect = E_CELL_TEXT (((ECellView *)cell->text_view)->ecell); - - x = text_view->xofs + ect->x; - - switch (ect->justify) { - case GTK_JUSTIFY_RIGHT: - x += cell->width - line->width; - break; - - case GTK_JUSTIFY_CENTER: - x += (cell->width - line->width) / 2; - break; - - default: - /* For GTK_JUSTIFY_LEFT, we don't have to do anything. We do not support - * GTK_JUSTIFY_FILL, yet. - */ - break; - } - - return x; -} - -/* Calculates the x position of the specified line of text, based on the text's justification */ -static int -get_line_ypos (CurrentCell *cell, struct line *line) -{ - int y; - - ECellTextView *text_view = cell->text_view; - ECellText *ect = E_CELL_TEXT (((ECellView *)cell->text_view)->ecell); - ECellTextLineBreaks *linebreaks = cell->breaks; - - struct line *lines = linebreaks->lines; - - y = text_view->yofs + ect->y; - y += (line - lines) * (text_view->font->ascent + text_view->font->descent); - - return y; -} - -static void -_get_xy_from_position (CurrentCell *cell, gint position, gint *xp, gint *yp) -{ - if (xp || yp) { - struct line *lines; - int x, y; - int j; - ECellTextView *text_view = cell->text_view; - GdkFont *font = text_view->font; - ECellTextLineBreaks *linebreaks; - - split_into_lines(cell); - - linebreaks = cell->breaks; - lines = linebreaks->lines; - - x = get_line_xpos (cell, lines); - y = get_line_ypos (cell, lines); - for (j = 0, lines = linebreaks->lines; j < linebreaks->num_lines; lines++, j++) { - if (lines->text > cell->text + position) - break; - y += font->ascent + font->descent; - } - lines --; - y -= font->descent; - - x += gdk_text_width (font, - lines->text, - position - (lines->text - cell->text)); - if ( (CellEdit *) cell == cell->text_view->edit ) { - x -= ((CellEdit *)cell)->xofs_edit; - y -= ((CellEdit *)cell)->yofs_edit; - } - if (xp) - *xp = x; - if (yp) - *yp = y; - unref_lines(cell); - } -} - -static gint -_get_position_from_xy (CurrentCell *cell, gint x, gint y) -{ - int i, j; - int xpos, ypos; - struct line *lines; - int return_val; - - ECellTextView *text_view = cell->text_view; - GdkFont *font = text_view->font; - ECellTextLineBreaks *linebreaks; - - split_into_lines(cell); - - linebreaks = cell->breaks; - - lines = linebreaks->lines; - - if ( (CellEdit *) cell == cell->text_view->edit ) { - x += ((CellEdit *)cell)->xofs_edit; - y += ((CellEdit *)cell)->yofs_edit; - } - - ypos = get_line_ypos (cell, linebreaks->lines); - j = 0; - while (y > ypos) { - ypos += font->ascent + font->descent; - j ++; - } - j--; - if (j >= linebreaks->num_lines) - j = linebreaks->num_lines - 1; - if (j < 0) - j = 0; - i = 0; - - lines += j; - xpos = get_line_xpos (cell, lines); - for(i = 0; i < lines->length; i++) { - int charwidth = gdk_text_width(font, - lines->text + i, - 1); - xpos += charwidth / 2; - if (xpos > x) { - break; - } - xpos += (charwidth + 1) / 2; - } - - return_val = lines->text + i - cell->text; - - unref_lines(cell); - - return return_val; -} - -#define SCROLL_WAIT_TIME 30000 - -static gboolean -_blink_scroll_timeout (gpointer data) -{ - CurrentCell *cell = CURRENT_CELL(data); - ECellTextView *text_view = (ECellTextView *) data; - ECellText *ect = E_CELL_TEXT (((ECellView *)text_view)->ecell); - CellEdit *edit = text_view->edit; - ECellTextLineBreaks *linebreaks = cell->breaks; - - gulong current_time; - gboolean scroll = FALSE; - gboolean redraw = FALSE; - - 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; - } - if (scroll && edit->button_down) { - /* FIXME: Copy this for y. */ - if (edit->lastx - ect->x > cell->width && - edit->xofs_edit < linebreaks->max_width - cell->width) { - edit->xofs_edit += 4; - if (edit->xofs_edit > linebreaks->max_width - cell->width + 1) - edit->xofs_edit = linebreaks->max_width - 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(cell, 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->cell.view_col, edit->cell.row); - } - return TRUE; -} - -static int -_get_position(ECellTextView *text_view, ETextEventProcessorCommand *command) -{ - int i; - int length; - int x, y; - CellEdit *edit = text_view->edit; - CurrentCell *cell = CURRENT_CELL(edit); - - 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; - case E_TEP_END_OF_BUFFER: - return strlen(cell->text); - - case E_TEP_START_OF_LINE: - for (i = edit->selection_end - 2; i > 0; i--) - if (cell->text[i] == '\n') { - i++; - break; - } - return i; - case E_TEP_END_OF_LINE: - length = strlen(cell->text); - for (i = edit->selection_end + 1; i < length; i++) - if (cell->text[i] == '\n') { - break; - } - if (i > length) - i = length; - return i; - - case E_TEP_FORWARD_CHARACTER: - length = strlen(cell->text); - i = edit->selection_end + 1; - if (i > length) - i = length; - return i; - case E_TEP_BACKWARD_CHARACTER: - i = edit->selection_end - 1; - if (i < 0) - i = 0; - return i; - - case E_TEP_FORWARD_WORD: - length = strlen(cell->text); - for (i = edit->selection_end + 1; i < length; i++) - if (isspace(cell->text[i])) { - break; - } - if (i > length) - i = length; - return i; - case E_TEP_BACKWARD_WORD: - for (i = edit->selection_end - 2; i > 0; i--) - if (isspace(cell->text[i])) { - i++; - break; - } - if (i < 0) - i = 0; - return i; - - case E_TEP_FORWARD_LINE: - _get_xy_from_position(cell, edit->selection_end, &x, &y); - y += text_view->font->ascent + text_view->font->descent; - return _get_position_from_xy(cell, x, y); - case E_TEP_BACKWARD_LINE: - _get_xy_from_position(cell, edit->selection_end, &x, &y); - y -= text_view->font->ascent + text_view->font->descent; - return _get_position_from_xy(cell, x, y); - - 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; - } -} - -static void -_delete_selection(ECellTextView *text_view) -{ - CellEdit *edit = text_view->edit; - CurrentCell *cell = CURRENT_CELL(edit); - gint length = strlen(cell->text); - 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; - } - memmove( cell->text + edit->selection_start, - cell->text + edit->selection_end, - length - edit->selection_end + 1 ); - length -= edit->selection_end - edit->selection_start; - edit->selection_end = edit->selection_start; -} - -static void -_insert(ECellTextView *text_view, char *string, int value) -{ - if (value > 0) { - char *temp; - CellEdit *edit = text_view->edit; - CurrentCell *cell = CURRENT_CELL(edit); - gint length = strlen(cell->text); - temp = g_new(gchar, length + value + 1); - strncpy(temp, cell->text, edit->selection_start); - strncpy(temp + edit->selection_start, string, value); - strcpy(temp + edit->selection_start + value, cell->text + edit->selection_start); - g_free(cell->text); - cell->text = temp; - edit->selection_start += value; - edit->selection_end = edit->selection_start; - } -} - -static void -e_cell_text_view_command(ETextEventProcessor *tep, ETextEventProcessorCommand *command, gpointer data) -{ - CellEdit *edit = (CellEdit *) data; - CurrentCell *cell = CURRENT_CELL(edit); - ECellTextView *text_view = cell->text_view; - - gboolean change = FALSE; - gboolean redraw = FALSE; - - int sel_start, sel_end; - 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, cell->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, cell->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: - case E_TEP_UNGRAB: -#if 0 - case E_TEP_GRAB: - gnome_canvas_item_grab (GNOME_CANVAS_ITEM(text), - GDK_BUTTON_RELEASE_MASK | GDK_POINTER_MOTION_MASK, - text_view->i_cursor, - command->time); - break; - gnome_canvas_item_ungrab (GNOME_CANVAS_ITEM(text), command->time); - break; -#endif - case E_TEP_NOP: - break; - } - - if (!edit->button_down) { - int x; - int i; - struct line *lines; - ECellTextLineBreaks *linebreaks; - - split_into_lines(cell); - - linebreaks = cell->breaks; - - for (lines = linebreaks->lines, i = 0; i < linebreaks->num_lines ; i++, lines ++) { - if (lines->text - cell->text > edit->selection_end) { - break; - } - } - lines --; - x = gdk_text_width(text_view->font, - lines->text, - edit->selection_end - (lines->text - cell->text)); - - - if (x < edit->xofs_edit) { - edit->xofs_edit = x; - redraw = TRUE; - } - - if (2 + x - cell->width > edit->xofs_edit) { - edit->xofs_edit = 2 + x - cell->width; - redraw = TRUE; - } - unref_lines(cell); - } - - if ( redraw ) { - ect_queue_redraw (text_view, edit->cell.view_col, edit->cell.row); - } -#if 0 - gnome_canvas_item_request_update (GNOME_CANVAS_ITEM(text)); -#endif -} - -static void _invisible_destroy (GtkInvisible *invisible, - CellEdit *edit) -{ - edit->invisible = NULL; -} - -static GtkWidget *e_cell_text_view_get_invisible(CellEdit *edit) -{ - GtkWidget *invisible; - if (edit->invisible) { - invisible = edit->invisible; - } else { - 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); - - gtk_signal_connect (GTK_OBJECT(invisible), "selection_get", - GTK_SIGNAL_FUNC (_selection_get), - edit); - gtk_signal_connect (GTK_OBJECT(invisible), "selection_clear_event", - GTK_SIGNAL_FUNC (_selection_clear_event), - edit); - gtk_signal_connect (GTK_OBJECT(invisible), "selection_received", - GTK_SIGNAL_FUNC (_selection_received), - edit); - - gtk_signal_connect (GTK_OBJECT(invisible), "destroy", - GTK_SIGNAL_FUNC (_invisible_destroy), - edit); - } - return invisible; -} - -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; - } -} - -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 void e_cell_text_view_supply_selection (CellEdit *edit, guint time, GdkAtom selection, guchar *data, gint length) -{ - 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; -} - -static void -e_cell_text_view_get_selection(CellEdit *edit, GdkAtom selection, guint32 time) -{ - GtkWidget *invisible; - invisible = e_cell_text_view_get_invisible(edit); - gtk_selection_convert(invisible, - selection, - GDK_SELECTION_TYPE_STRING, - time); -} - -static void -_get_tep(CellEdit *edit) -{ - if (!edit->tep) { - edit->tep = e_text_event_processor_emacs_like_new(); - gtk_object_ref (GTK_OBJECT (edit->tep)); - gtk_object_sink (GTK_OBJECT (edit->tep)); - gtk_signal_connect(GTK_OBJECT(edit->tep), - "command", - GTK_SIGNAL_FUNC(e_cell_text_view_command), - (gpointer) edit); - } -} - -/* Splits the text of the text item into lines */ -static void -split_into_lines (CurrentCell *cell) -{ - char *p; - struct line *lines; - int len; - - gchar *text = cell->text; - ECellTextLineBreaks *linebreaks = cell->breaks; - - if (! cell->breaks) { - cell->breaks = g_new(ECellTextLineBreaks, 1); - cell->breaks->ref_count = 1; - } else { - cell->breaks->ref_count ++; - return; - } - linebreaks = cell->breaks; - - /* Check if already split. */ - - linebreaks->lines = NULL; - linebreaks->num_lines = 0; - - if (!text) - return; - - /* First, count the number of lines */ - - for (p = text; *p; p++) - if (*p == '\n') - linebreaks->num_lines++; - - linebreaks->num_lines++; - - /* Allocate array of lines and calculate split positions */ - - linebreaks->lines = lines = g_new0 (struct line, linebreaks->num_lines); - len = 0; - - for (p = text; *p; p++) { - if (len == 0) - lines->text = p; - if (*p == '\n') { - lines->length = len; - lines++; - len = 0; - } else - len++; - } - - if (len == 0) - lines->text = p; - lines->length = len; - - calc_line_widths (cell); -} - -/* Free lines structure. */ -static void -unref_lines(CurrentCell *cell) -{ - if ( cell->breaks ) { - cell->breaks->ref_count --; - if ( cell->breaks->ref_count <= 0 ) { - g_free(cell->breaks->lines); - g_free(cell->breaks); - cell->breaks = NULL; - } - } -} - -static void -calc_ellipsis (ECellTextView *text_view) -{ - ECellText *ect = E_CELL_TEXT (((ECellView *)text_view)->ecell); - if (text_view->font) - text_view->ellipsis_width = - gdk_text_width (text_view->font, - ect->ellipsis ? ect->ellipsis : "...", - ect->ellipsis ? strlen (ect->ellipsis) : 3); -} - -/* Calculates the line widths (in pixels) of the text's splitted lines */ -static void -calc_line_widths (CurrentCell *cell) -{ - ECellTextView *text_view = cell->text_view; - ECellText *ect = E_CELL_TEXT (((ECellView *)text_view)->ecell); - GdkFont *font = text_view->font; - ECellTextLineBreaks *linebreaks = cell->breaks; - struct line *lines; - int i; - int j; - - - - lines = linebreaks->lines; - linebreaks->max_width = 0; - - if (!lines) - return; - - for (i = 0; i < linebreaks->num_lines; i++) { - if (lines->length != 0) { - if (font) { - lines->width = gdk_text_width (font, - lines->text, lines->length); - lines->ellipsis_length = 0; - } else { - lines->width = 0; - } - - if (ect->use_ellipsis && - (!(text_view->edit && - cell->row == text_view->edit->cell.row && - cell->view_col == text_view->edit->cell.view_col)) && - lines->width > cell->width) { - if (font) { - lines->ellipsis_length = 0; - for (j = 0; j < lines->length; j++ ) { - if (gdk_text_width (font, lines->text, j) + text_view->ellipsis_width <= cell->width) - lines->ellipsis_length = j; - else - break; - } - } - else - lines->ellipsis_length = 0; - lines->width = gdk_text_width (font, lines->text, lines->ellipsis_length) + - text_view->ellipsis_width; - } - else - lines->ellipsis_length = lines->length; - - if (lines->width > linebreaks->max_width) - linebreaks->max_width = lines->width; - } else { - lines->width = 0; - lines->ellipsis_length = 0; - } - - lines++; - } -} - -static void -build_current_cell (CurrentCell *cell, ECellTextView *text_view, int model_col, int view_col, int row) -{ - ECellView *ecell_view = (ECellView *) text_view; - cell->text_view = text_view; - cell->model_col = model_col; - cell->view_col = view_col; - cell->row = row; - cell->breaks = NULL; - cell->text = e_table_model_value_at (ecell_view->e_table_model, model_col, row); - cell->width = e_table_header_get_column(((ETableItem *)ecell_view->e_table_item_view)->header, view_col)->width - 8; -} |