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-rw-r--r--widgets/table/e-cell-text.c1475
-rw-r--r--widgets/table/e-cell-text.h35
-rw-r--r--widgets/table/e-table-item.c8
3 files changed, 1444 insertions, 74 deletions
diff --git a/widgets/table/e-cell-text.c b/widgets/table/e-cell-text.c
index fead3d4654..6e5b28b8a1 100644
--- a/widgets/table/e-cell-text.c
+++ b/widgets/table/e-cell-text.c
@@ -1,15 +1,27 @@
-/*
- * e-cell-text.c: Text cell renderer
+/* -*- 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.
*
- * Author:
- * Miguel de Icaza (miguel@kernel.org)
+ * Authors: Miguel de Icaza (miguel@kernel.org)
+ * Chris Lahey <clahey@umich.edu>
+ *
*
- * (C) 1999 Helix Code, Inc
- */
+ * 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>
@@ -17,34 +29,182 @@
#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 2
typedef struct {
- char *old_text;
- GtkWidget *entry_top;
- GtkEntry *entry;
+ gpointer lines; /* Text split into lines (private field) */
+ int num_lines; /* Number of lines of text */
+ int max_width;
+ int ref_count;
+} ECellTextLineBreaks;
+
- /*
- * Where the editing is taking place
- */
- int model_col, view_col, row;
-} CellEdit;
+typedef struct _CellEdit CellEdit;
typedef struct {
ECellView cell_view;
GdkGC *gc;
GdkFont *font;
- GnomeCanvas *canvas;
+ GdkCursor *default_cursor;
+ GdkCursor *i_cursor;
+ GdkBitmap *stipple; /* Stipple for text */
+ GnomeCanvas *canvas;
+
/*
- * During edition.
+ * 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 ECellClass *parent_class;
static void
@@ -61,10 +221,9 @@ ect_queue_redraw (ECellTextView *text_view, int view_col, int view_row)
static void
ect_accept_edits (ECellTextView *text_view)
{
- const char *text = gtk_entry_get_text (text_view->edit->entry);
- CellEdit *edit = text_view->edit;
+ CurrentCell *cell = (CurrentCell *) text_view->edit;
- e_table_model_set_value_at (text_view->cell_view.e_table_model, edit->model_col, edit->row, text);
+ e_table_model_set_value_at (text_view->cell_view.e_table_model, cell->model_col, cell->row, cell->text);
}
/*
@@ -77,9 +236,16 @@ ect_stop_editing (ECellTextView *text_view)
g_free (edit->old_text);
edit->old_text = NULL;
- gtk_widget_destroy (edit->entry_top);
- edit->entry_top = NULL;
- edit->entry = 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);
g_free (edit);
@@ -94,8 +260,8 @@ ect_stop_editing (ECellTextView *text_view)
static void
ect_cancel_edit (ECellTextView *text_view)
{
- ect_queue_redraw (text_view, text_view->edit->view_col, text_view->edit->row);
ect_stop_editing (text_view);
+ ect_queue_redraw (text_view, text_view->edit->cell.view_col, text_view->edit->cell.row);
}
/*
@@ -125,6 +291,9 @@ ect_new_view (ECell *ecell, ETableModel *table_model, void *e_table_item_view)
}
text_view->canvas = canvas;
+
+ text_view->xofs = 0.0;
+ text_view->yofs = 0.0;
return (ECellView *)text_view;
}
@@ -136,10 +305,7 @@ static void
ect_kill_view (ECellView *ecv)
{
ECellTextView *text_view = (ECellTextView *) ecv;
-
- gdk_font_unref (text_view->font);
- text_view->font = NULL;
-
+
g_free (text_view);
}
@@ -152,6 +318,12 @@ 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);
+ text_view->default_cursor = gdk_cursor_new (GDK_LEFT_PTR);
+
+ if (parent_class->realize)
+ (* parent_class->realize) (ecell_view);
}
/*
@@ -164,6 +336,18 @@ ect_unrealize (ECellView *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);
+ gdk_cursor_destroy (text_view->default_cursor);
+
+ if (parent_class->unrealize)
+ (* parent_class->unrealize) (ecv);
}
/*
@@ -174,24 +358,32 @@ 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 *w = GTK_WIDGET (text_view->canvas);
- GdkRectangle rect;
- const char *str = e_table_model_value_at (ecell_view->e_table_model, model_col, row);
+ 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;
- int xoff;
+ CellEdit *edit = text_view->edit;
gboolean edit_display = FALSE;
+ ECellTextLineBreaks *linebreaks;
- /*
- * Figure if this cell is being edited
- */
- if (text_view->edit){
- CellEdit *edit = text_view->edit;
+
+ if (edit){
- if ((edit->view_col == view_col) && (edit->row == row))
+ 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];
}
/*
@@ -201,8 +393,174 @@ ect_draw (ECellView *ecell_view, GdkDrawable *drawable,
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);
+ }
+ }
+ 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);
@@ -320,6 +678,7 @@ ect_draw (ECellView *ecell_view, GdkDrawable *drawable,
x1 + xoff,
y2 - font->descent - ((y2-y1-height)/2), str);
}
+#endif
}
/*
@@ -330,7 +689,8 @@ ect_edit_select_all (ECellTextView *text_view)
{
g_assert (text_view->edit);
- gtk_editable_select_region (GTK_EDITABLE (text_view->edit->entry), 0, -1);
+ text_view->edit->selection_start = 0;
+ text_view->edit->selection_end = strlen(text_view->edit->cell.text);
}
/*
@@ -340,7 +700,163 @@ 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:
+ if (ect->editable) {
+ GdkEventFocus *focus_event;
+ focus_event = (GdkEventFocus *) event;
+ if (focus_event->in) {
+ if(!edit_display) {
+#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
+ edit->selection_start = 0;
+ edit->selection_end = 0;
+ edit->select_by_word = FALSE;
+ edit->xofs_edit = 0;
+ edit->yofs_edit = 0;
+ if (edit->timeout_id == 0)
+ 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);
+ }
+ } else {
+ if ( ! edit->default_cursor_shown ) {
+ gdk_window_set_cursor(canvas->window, text_view->default_cursor);
+ 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;
+ }
+ }
+ }
+ return_val = 0;
+ break;
+ case GDK_KEY_PRESS: /* Fall Through */
+ case GDK_KEY_RELEASE:
+ if (edit_display) {
+ GdkEventKey key = event->key;
+ 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:
+ 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;
+ } else if (ect->editable && event->type == GDK_BUTTON_RELEASE && event->button.button == 1) {
+ e_table_item_enter_edit (text_view->cell_view.e_table_item_view, view_col, row);
+ return 1;
+ }
+ break;
+ case GDK_MOTION_NOTIFY:
+ if (edit) {
+ 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) {
+ 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) {
+ if ( ! edit->default_cursor_shown ) {
+ gdk_window_set_cursor(canvas->window, text_view->default_cursor);
+ 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:
/*
@@ -355,14 +871,6 @@ ect_event (ECellView *ecell_view, GdkEvent *event, int model_col, int view_col,
e_table_item_enter_edit (text_view->cell_view.e_table_item_view, view_col, row);
break;
- case GDK_BUTTON_RELEASE:
- /*
- * Adjust for the border we use
- */
- event->button.x++;
- printf ("Button released at %g %g\n", event->button.x, event->button.y);
- return TRUE;
-
case GDK_KEY_PRESS:
if (event->key.keyval == GDK_Escape){
ect_cancel_edit (text_view);
@@ -377,14 +885,7 @@ ect_event (ECellView *ecell_view, GdkEvent *event, int model_col, int view_col,
gtk_widget_event (GTK_WIDGET (text_view->edit->entry), event);
ect_queue_redraw (text_view, view_col, row);
break;
-
- case GDK_KEY_RELEASE:
- break;
-
- default:
- return FALSE;
- }
- return TRUE;
+#endif
}
/*
@@ -394,8 +895,17 @@ 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;
- return (text_view->font->ascent + text_view->font->descent) + TEXT_PAD;
+ unref_lines( &cell );
+
+ return return_val;
}
/*
@@ -420,23 +930,41 @@ ect_enter_edit (ECellView *ecell_view, int model_col, int view_col, int row)
edit = g_new (CellEdit, 1);
text_view->edit = edit;
- edit->model_col = model_col;
- edit->view_col = view_col;
- edit->row = row;
+ build_current_cell ( CURRENT_CELL(edit), text_view, model_col, view_col, row );
+
+ edit->xofs_edit = 0.0;
+ edit->yofs_edit = 0.0;
- edit->entry = (GtkEntry *) gtk_entry_new ();
- gtk_entry_set_text (edit->entry, str);
- edit->old_text = g_strdup (str);
- gtk_signal_connect (GTK_OBJECT (edit->entry), "activate",
- GTK_SIGNAL_FUNC (ect_entry_activate), text_view);
+ edit->selection_start = 0;
+ edit->selection_end = 0;
+ edit->select_by_word = FALSE;
- /*
- * The hack: create this window off-screen
- */
- edit->entry_top = gtk_window_new (GTK_WINDOW_POPUP);
- gtk_container_add (GTK_CONTAINER (edit->entry_top), GTK_WIDGET (edit->entry));
- gtk_widget_set_uposition (edit->entry_top, 20000, 20000);
- gtk_widget_show_all (edit->entry_top);
+ edit->timeout_id = 0;
+ edit->timer = NULL;
+
+ 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);
ect_queue_redraw (text_view, view_col, row);
@@ -492,6 +1020,9 @@ e_cell_text_class_init (GtkObjectClass *object_class)
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);
@@ -501,8 +1032,812 @@ e_cell_text_new (ETableModel *etm, const char *fontname, GtkJustification justif
{
ECellText *ect = gtk_type_new (e_cell_text_get_type ());
+ ect->ellipsis = NULL;
+ ect->use_ellipsis = FALSE;
+
+ ect->editable = 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 0
+ if (redraw)
+ gnome_canvas_item_request_update (GNOME_CANVAS_ITEM(text));
+#endif
+ 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);
+ if (edit->timer) {
+ g_timer_reset(edit->timer);
+ }
+ 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 &&
+ 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;
+}
diff --git a/widgets/table/e-cell-text.h b/widgets/table/e-cell-text.h
index de9629b97b..379ccf30a8 100644
--- a/widgets/table/e-cell-text.h
+++ b/widgets/table/e-cell-text.h
@@ -1,8 +1,32 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+/* ECellText - Text item for e-table.
+ * Copyright (C) 2000 Helix Code, Inc.
+ * Author: Chris Lahey <clahey@umich.edu>
+ *
+ * Drawing and event handling from:
+ *
+ * EText - Text item for evolution.
+ * Copyright (C) 2000 Helix Code, Inc.
+ *
+ * Author: 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> */
#ifndef _E_CELL_TEXT_H_
#define _E_CELL_TEXT_H_
#include <libgnomeui/gnome-canvas.h>
#include "e-cell.h"
+#include "e-text-event-processor.h"
#define E_CELL_TEXT_TYPE (e_cell_text_get_type ())
#define E_CELL_TEXT(o) (GTK_CHECK_CAST ((o), E_CELL_TEXT_TYPE, ECellText))
@@ -15,6 +39,16 @@ typedef struct {
GtkJustification justify;
char *font_name;
+
+ double x, y; /* Position at anchor */
+
+ gulong pixel; /* Fill color */
+
+ /* Clip handling */
+ char *ellipsis; /* The ellipsis characters. NULL = "...". */
+
+ guint use_ellipsis : 1; /* Whether to use the ellipsis. */
+ guint editable : 1; /* Item is editable */
} ECellText;
typedef struct {
@@ -26,3 +60,4 @@ ECell *e_cell_text_new (ETableModel *model, const char *fontname, GtkJu
#endif /* _E_CELL_TEXT_H_ */
+
diff --git a/widgets/table/e-table-item.c b/widgets/table/e-table-item.c
index 33f0c18616..8455ed4824 100644
--- a/widgets/table/e-table-item.c
+++ b/widgets/table/e-table-item.c
@@ -946,9 +946,9 @@ eti_event (GnomeCanvasItem *item, GdkEvent *e)
int col, row;
double x1, y1;
- gnome_canvas_item_w2i (item, &e->button.x, &e->button.y);
+ gnome_canvas_item_w2i (item, &e->motion.x, &e->motion.y);
- if (!find_cell (eti, e->button.x, e->button.y, &col, &row, &x1, &y1))
+ if (!find_cell (eti, e->motion.x, e->motion.y, &col, &row, &x1, &y1))
return TRUE;
if (eti->focused_row == row && eti->focused_col == col){
@@ -958,8 +958,8 @@ eti_event (GnomeCanvasItem *item, GdkEvent *e)
/*
* Adjust the event positions
*/
- e->button.x -= (x1 + eti->x1);
- e->button.y -= (y1 + eti->y1);
+ e->motion.x = x1;
+ e->motion.y = y1;
e_cell_event (ecell_view, e, ecol->col_idx, col, row);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-09 16:49:01 +0800