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authornobody <nobody@localhost>2000-05-15 12:36:44 +0800
committernobody <nobody@localhost>2000-05-15 12:36:44 +0800
commited0a36823be616e1bc7ba9a67e437140c1f12459 (patch)
tree8e6809dc4947632fed7279523d66fcd047cada6f /widgets/table/e-cell-text.c
parentf8ff932ae3149c285acea3977a50596749d38584 (diff)
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This commit was manufactured by cvs2svn to create tag 'today'.today
svn path=/tags/today/; revision=3041
Diffstat (limited to 'widgets/table/e-cell-text.c')
-rw-r--r--widgets/table/e-cell-text.c1905
1 files changed, 0 insertions, 1905 deletions
diff --git a/widgets/table/e-cell-text.c b/widgets/table/e-cell-text.c
deleted file mode 100644
index 68d70b2fed..0000000000
--- a/widgets/table/e-cell-text.c
+++ /dev/null
@@ -1,1905 +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@helixcode.com>
- * Chris Lahey <clahey@helixcode.com>
- *
- *
- * A majority of code taken from:
- *
- * Text item type for GnomeCanvas widget
- *
- * GnomeCanvas is basically a port of the Tk toolkit's most excellent
- * canvas widget. Tk is copyrighted by the Regents of the University
- * of California, Sun Microsystems, and other parties.
- *
- * Copyright (C) 1998 The Free Software Foundation
- *
- * Author: Federico Mena <federico@nuclecu.unam.mx>
- */
-#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.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_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 int number_of_lines (char *text);
-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. if it's the same as what's in the cell, do nothing.
- */
-static void
-ect_accept_edits (ECellTextView *text_view)
-{
- CurrentCell *cell = (CurrentCell *) text_view->edit;
-
- if (strcmp (text_view->edit->old_text, cell->text))
- 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;
-
- if (!edit)
- return;
-
- 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->edit){
- ect_cancel_edit (text_view);
- }
-
- 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;
- GdkColor *background, *foreground;
-
-
- 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 = &rect;
-
-
- if (selected){
- background = &canvas->style->bg [GTK_STATE_SELECTED];
- foreground = &canvas->style->text [GTK_STATE_SELECTED];
- } else {
- background = &canvas->style->base [GTK_STATE_NORMAL];
- foreground = &canvas->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);
-
- 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 = &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);
- }
- ypos += height;
- lines ++;
- }
- 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;
- 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) && e_table_model_is_cell_editable (ecell_view->e_table_model, view_col, row)) {
- 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)
- && e_table_model_is_cell_editable (ecell_view->e_table_model, view_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;
- 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;
-
- return (text_view->font->ascent + text_view->font->descent) * number_of_lines(e_table_model_value_at (ecell_view->e_table_model, model_col, row)) + TEXT_PAD;
-}
-
-/*
- * 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)
-{
- ECellText *ect = gtk_type_new (e_cell_text_get_type ());
-
- ect->ellipsis = NULL;
- ect->use_ellipsis = TRUE;
-
- 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, &current_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);
- }
-}
-
-static int
-number_of_lines (char *text)
-{
- int num_lines = 0;
- char *p;
- if (!text)
- return 0;
- for (p = text; *p; p++)
- if (*p == '\n')
- num_lines++;
-
- num_lines++;
- return num_lines;
-}
-
-/* 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 */
-
- linebreaks->num_lines = number_of_lines(cell->text);
-
- /* 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;
-}