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/* gtkedit.c -
front end for gtk/gnome version
Copyright (C) 1996, 1997 the Free Software Foundation
Authors: 1996, 1997 Paul Sheer
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#define _GTK_EDIT_C
#include <config.h>
#include <gnome.h>
#include <ctype.h>
#include <string.h>
#include <pwd.h>
#include "gdk/gdkkeysyms.h"
#include "gtk/gtkmain.h"
#include "gtk/gtkselection.h"
#include "gtk/gtksignal.h"
#include "edit.h"
#if ! defined (MIDNIGHT) && ! defined (GTK)
#include "mousemark.h"
#endif
#define EDIT_BORDER_ROOM 1
#define MIN_EDIT_WIDTH_LINES 20
#define MIN_EDIT_HEIGHT_LINES 10
#define GDK_FONT_XFONT(font) (((GdkFontPrivate*) font)->xfont)
int edit_key_emulation = 0;
int column_highlighting = 0;
static GtkWidgetClass *parent_class = NULL;
WEdit *edit_init (WEdit * edit, int lines, int columns, const char *filename, const char *text, const char *dir, unsigned long text_size);
void edit_destroy_callback (CWidget * w);
int edit_translate_key (unsigned int x_keycode, long x_key, int x_state, int *cmd, int *ch);
void gtk_edit_alloc_colors (GtkEdit *edit, GdkColormap *colormap);
static void gtk_edit_set_position (GtkEditable *editable, gint position);
void edit_mouse_mark (WEdit * edit, XEvent * event, int double_click);
void edit_move_to_prev_col (WEdit * edit, long p);
int edit_load_file_from_filename (WEdit *edit, char *exp);
static void gtk_edit_set_selection (GtkEditable * editable, gint start, gint end);
guchar gtk_edit_font_width_per_char[256];
int gtk_edit_option_text_line_spacing;
int gtk_edit_option_font_ascent;
int gtk_edit_option_font_descent;
int gtk_edit_option_font_mean_width;
int gtk_edit_fixed_font;
#if defined NEVER_DEFINED_ONLY_A_HACK
const char *dummy_txt_0 = _("&Dismiss");
const char *dummy_txt_1 = _(" Enter file name: ");
#endif
static void clear_focus_area (GtkEdit *edit, gint area_x, gint area_y, gint area_width, gint area_height)
{
return;
}
void gtk_edit_freeze (GtkEdit *edit)
{
return;
}
void gtk_edit_insert (GtkEdit *edit,
GdkFont *font,
GdkColor *fore,
GdkColor *back,
const char *chars,
gint length)
{
while (length-- > 0)
edit_insert (GTK_EDIT (edit)->editor, *chars++);
}
void gtk_edit_set_editable (GtkEdit *text,
gint editable)
{
return;
}
void gtk_edit_thaw (GtkEdit *text)
{
return;
}
void gtk_edit_configure_font_dimensions (GtkEdit * edit)
{
XFontStruct *f;
XCharStruct s;
char *p;
char q[256];
unsigned char t;
int i, direction;
f = GDK_FONT_XFONT (edit->editable.widget.style->font);
p = _ ("The Quick Brown Fox Jumps Over The Lazy Dog");
for (i = ' '; i <= '~'; i++)
q[i - ' '] = i;
if (XTextWidth (f, "M", 1) == XTextWidth (f, "M", 1))
gtk_edit_fixed_font = 1;
else
gtk_edit_fixed_font = 0;
XTextExtents (f, q, '~' - ' ', &direction, &gtk_edit_option_font_ascent, &gtk_edit_option_font_descent, &s);
gtk_edit_option_font_mean_width = XTextWidth (f, p, strlen (p)) / strlen (p);
for (i = 0; i < 256; i++) {
t = (unsigned char) i;
if (i > f->max_char_or_byte2 || i < f->min_char_or_byte2) {
gtk_edit_font_width_per_char[i] = 0;
} else {
gtk_edit_font_width_per_char[i] = XTextWidth (f, (char *) &t, 1);
}
}
}
void gtk_edit_set_adjustments (GtkEdit * edit,
GtkAdjustment * hadj,
GtkAdjustment * vadj)
{
g_return_if_fail (edit != NULL);
g_return_if_fail (GTK_IS_EDIT (edit));
if (edit->hadj && (edit->hadj != hadj)) {
gtk_signal_disconnect_by_data (GTK_OBJECT (edit->hadj), edit);
gtk_object_unref (GTK_OBJECT (edit->hadj));
}
if (edit->vadj && (edit->vadj != vadj)) {
gtk_signal_disconnect_by_data (GTK_OBJECT (edit->vadj), edit);
gtk_object_unref (GTK_OBJECT (edit->vadj));
}
if (!hadj)
hadj = GTK_ADJUSTMENT (gtk_adjustment_new (0.0, 0.0, 0.0, 0.0, 0.0, 0.0));
if (!vadj)
vadj = GTK_ADJUSTMENT (gtk_adjustment_new (0.0, 0.0, 0.0, 0.0, 0.0, 0.0));
if (edit->hadj != hadj) {
edit->hadj = hadj;
gtk_object_ref (GTK_OBJECT (edit->hadj));
gtk_object_sink (GTK_OBJECT (edit->hadj));
#if 0
gtk_signal_connect (GTK_OBJECT (edit->hadj), "changed",
(GtkSignalFunc) gtk_edit_adjustment,
edit);
gtk_signal_connect (GTK_OBJECT (edit->hadj), "value_changed",
(GtkSignalFunc) gtk_edit_adjustment,
edit);
gtk_signal_connect (GTK_OBJECT (edit->hadj), "disconnect",
(GtkSignalFunc) gtk_edit_disconnect,
edit);
#endif
}
if (edit->vadj != vadj) {
edit->vadj = vadj;
gtk_object_ref (GTK_OBJECT (edit->vadj));
gtk_object_sink (GTK_OBJECT (edit->vadj));
#if 0
gtk_signal_connect (GTK_OBJECT (edit->vadj), "changed",
(GtkSignalFunc) gtk_edit_adjustment,
edit);
gtk_signal_connect (GTK_OBJECT (edit->vadj), "value_changed",
(GtkSignalFunc) gtk_edit_adjustment,
edit);
gtk_signal_connect (GTK_OBJECT (edit->vadj), "disconnect",
(GtkSignalFunc) gtk_edit_disconnect,
edit);
#endif
}
}
GtkWidget *gtk_edit_new (GtkAdjustment * hadj,
GtkAdjustment * vadj)
{
GtkEdit *edit;
edit = gtk_type_new (gtk_edit_get_type ());
gtk_edit_set_adjustments (edit, hadj, vadj);
gtk_edit_configure_font_dimensions (edit);
return GTK_WIDGET (edit);
}
static void gtk_edit_realize (GtkWidget * widget)
{
GtkEdit *edit;
GtkEditable *editable;
GdkWindowAttr attributes;
GdkColormap *colormap;
gint attributes_mask;
g_return_if_fail (widget != NULL);
g_return_if_fail (GTK_IS_EDIT (widget));
edit = GTK_EDIT (widget);
editable = GTK_EDITABLE (widget);
GTK_WIDGET_SET_FLAGS (edit, GTK_REALIZED);
attributes.window_type = GDK_WINDOW_CHILD;
attributes.x = widget->allocation.x;
attributes.y = widget->allocation.y;
attributes.width = widget->allocation.width;
attributes.height = widget->allocation.height;
attributes.wclass = GDK_INPUT_OUTPUT;
attributes.visual = gtk_widget_get_visual (widget);
colormap = attributes.colormap = gtk_widget_get_colormap (widget);
attributes.event_mask = gtk_widget_get_events (widget);
attributes.event_mask |= (GDK_EXPOSURE_MASK |
GDK_BUTTON_PRESS_MASK |
GDK_BUTTON_RELEASE_MASK |
GDK_BUTTON_MOTION_MASK |
GDK_ENTER_NOTIFY_MASK |
GDK_LEAVE_NOTIFY_MASK |
GDK_KEY_RELEASE_MASK |
GDK_KEY_PRESS_MASK);
attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
widget->window = gdk_window_new (gtk_widget_get_parent_window (widget), &attributes, attributes_mask);
gdk_window_set_user_data (widget->window, edit);
attributes.x = (widget->style->klass->xthickness + EDIT_BORDER_ROOM);
attributes.y = (widget->style->klass->ythickness + EDIT_BORDER_ROOM);
attributes.width = widget->allocation.width - attributes.x * 2;
attributes.height = widget->allocation.height - attributes.y * 2;
edit->text_area = gdk_window_new (widget->window, &attributes, attributes_mask);
gdk_window_set_user_data (edit->text_area, edit);
widget->style = gtk_style_attach (widget->style, widget->window);
gtk_edit_alloc_colors (edit, colormap);
/* Can't call gtk_style_set_background here because it's handled specially */
gdk_window_set_background (widget->window, &edit->color[1]);
gdk_window_set_background (edit->text_area, &edit->color[1]);
edit->gc = gdk_gc_new (edit->text_area);
gdk_gc_set_exposures (edit->gc, TRUE);
gdk_gc_set_foreground (edit->gc, &edit->color[26]);
gdk_gc_set_background (edit->gc, &edit->color[1]);
gdk_window_show (edit->text_area);
if (editable->selection_start_pos != editable->selection_end_pos)
gtk_editable_claim_selection (editable, TRUE, GDK_CURRENT_TIME);
#if 0
if ((widget->allocation.width > 1) || (widget->allocation.height > 1))
recompute_geometry (edit);
#endif
}
static void gtk_edit_unrealize (GtkWidget * widget)
{
GtkEdit *edit;
g_return_if_fail (widget != NULL);
g_return_if_fail (GTK_IS_EDIT (widget));
edit = GTK_EDIT (widget);
gdk_window_set_user_data (edit->text_area, NULL);
gdk_window_destroy (edit->text_area);
edit->text_area = NULL;
gdk_gc_destroy (edit->gc);
edit->gc = NULL;
if (GTK_WIDGET_CLASS (parent_class)->unrealize)
(*GTK_WIDGET_CLASS (parent_class)->unrealize) (widget);
}
static void gtk_edit_destroy (GtkObject * object)
{
GtkEdit *edit;
g_return_if_fail (object != NULL);
g_return_if_fail (GTK_IS_EDIT (object));
edit = (GtkEdit *) object;
if (edit->hadj) {
gtk_object_unref (GTK_OBJECT (edit->hadj));
edit->hadj = NULL;
}
if (edit->vadj) {
gtk_object_unref (GTK_OBJECT (edit->vadj));
edit->vadj = NULL;
}
if (edit->timer) {
gtk_timeout_remove (edit->timer);
edit->timer = 0;
}
edit_clean (edit->editor);
if (edit->editor) {
free (edit->editor);
edit->editor = NULL;
}
GTK_OBJECT_CLASS (parent_class)->destroy (object);
}
static void gtk_edit_style_set (GtkWidget * widget,
GtkStyle * previous_style)
{
GtkEdit *edit;
g_return_if_fail (widget != NULL);
g_return_if_fail (GTK_IS_EDIT (widget));
edit = GTK_EDIT (widget);
if (GTK_WIDGET_REALIZED (widget)) {
gdk_window_set_background (widget->window, &edit->color[1]);
gdk_window_set_background (edit->text_area, &edit->color[1]);
#if 0
if ((widget->allocation.width > 1) || (widget->allocation.height > 1))
recompute_geometry (edit);
#endif
}
if (GTK_WIDGET_DRAWABLE (widget))
gdk_window_clear (widget->window);
}
static void gtk_edit_draw_focus (GtkWidget * widget)
{
GtkEdit *edit;
gint width, height;
gint x, y;
g_return_if_fail (widget != NULL);
g_return_if_fail (GTK_IS_EDIT (widget));
edit = GTK_EDIT (widget);
if (GTK_WIDGET_DRAWABLE (widget)) {
gint ythick = widget->style->klass->ythickness;
gint xthick = widget->style->klass->xthickness;
gint xextra = EDIT_BORDER_ROOM;
gint yextra = EDIT_BORDER_ROOM;
/* TDEBUG (("in gtk_edit_draw_focus\n")); */
x = 0;
y = 0;
width = widget->allocation.width;
height = widget->allocation.height;
if (GTK_WIDGET_HAS_FOCUS (widget)) {
x += 1;
y += 1;
width -= 2;
height -= 2;
xextra -= 1;
yextra -= 1;
gdk_draw_rectangle (widget->window,
widget->style->fg_gc[GTK_STATE_NORMAL],
FALSE, 0, 0,
widget->allocation.width - 1,
widget->allocation.height - 1);
}
gtk_draw_shadow (widget->style, widget->window,
GTK_STATE_NORMAL, GTK_SHADOW_IN,
x, y, width, height);
x += xthick;
y += ythick;
width -= 2 * xthick;
height -= 2 * ythick;
if (widget->style->bg_pixmap[GTK_STATE_NORMAL]) {
/* top rect */
clear_focus_area (edit, x, y, width, yextra);
/* left rect */
clear_focus_area (edit, x, y + yextra,
xextra, y + height - 2 * yextra);
/* right rect */
clear_focus_area (edit, x + width - xextra, y + yextra,
xextra, height - 2 * ythick);
/* bottom rect */
clear_focus_area (edit, x, x + height - yextra, width, yextra);
} else if (!GTK_WIDGET_HAS_FOCUS (widget)) {
gdk_draw_rectangle (widget->window,
widget->style->base_gc[GTK_STATE_NORMAL], FALSE,
x, y,
width - 1,
height - 1);
}
}
#if 0
else {
TDEBUG (("in gtk_edit_draw_focus (undrawable !!!)\n"));
}
#endif
}
static void gtk_edit_size_request (GtkWidget * widget,
GtkRequisition * requisition)
{
gint xthickness;
gint ythickness;
gint char_height;
gint char_width;
g_return_if_fail (widget != NULL);
g_return_if_fail (GTK_IS_EDIT (widget));
g_return_if_fail (requisition != NULL);
xthickness = widget->style->klass->xthickness + EDIT_BORDER_ROOM;
ythickness = widget->style->klass->ythickness + EDIT_BORDER_ROOM;
char_height = MIN_EDIT_HEIGHT_LINES * (widget->style->font->ascent +
widget->style->font->descent);
char_width = MIN_EDIT_WIDTH_LINES * (gdk_text_width (widget->style->font,
"ABCDEFGHIJKLMNOPQRSTUVWXYZ",
26)
/ 26);
requisition->width = char_width + xthickness * 2;
requisition->height = char_height + ythickness * 2;
}
static void gtk_edit_size_allocate (GtkWidget * widget,
GtkAllocation * allocation)
{
GtkEdit *edit;
GtkEditable *editable;
g_return_if_fail (widget != NULL);
g_return_if_fail (GTK_IS_EDIT (widget));
g_return_if_fail (allocation != NULL);
edit = GTK_EDIT (widget);
editable = GTK_EDITABLE (widget);
widget->allocation = *allocation;
if (GTK_WIDGET_REALIZED (widget)) {
gdk_window_move_resize (widget->window,
allocation->x, allocation->y,
allocation->width, allocation->height);
gdk_window_move_resize (edit->text_area,
widget->style->klass->xthickness + EDIT_BORDER_ROOM,
widget->style->klass->ythickness + EDIT_BORDER_ROOM,
widget->allocation.width - (widget->style->klass->xthickness +
EDIT_BORDER_ROOM) * 2,
widget->allocation.height - (widget->style->klass->ythickness +
EDIT_BORDER_ROOM) * 2);
#if 0
recompute_geometry (edit);
#endif
}
}
static void gtk_edit_draw (GtkWidget * widget,
GdkRectangle * area)
{
GtkEdit *edit;
g_return_if_fail (widget != NULL);
g_return_if_fail (GTK_IS_EDIT (widget));
g_return_if_fail (area != NULL);
if (GTK_WIDGET_DRAWABLE (widget)) {
/* convert the gtk expose to a coolwidget expose */
XExposeEvent xexpose;
xexpose.x = area->x;
xexpose.y = area->y;
xexpose.width = area->width;
xexpose.height = area->height;
edit = GTK_EDIT (widget);
edit_render_expose (edit->editor, &xexpose);
edit_status (edit->editor);
}
}
void gtk_edit_set_colors (GtkEdit *win)
{
edit_set_foreground_colors (
color_palette (option_editor_fg_normal),
color_palette (option_editor_fg_bold),
color_palette (option_editor_fg_italic)
);
edit_set_background_colors (
color_palette (option_editor_bg_normal),
color_palette (option_editor_bg_abnormal),
color_palette (option_editor_bg_marked),
color_palette (option_editor_bg_marked_abnormal),
color_palette (option_editor_bg_highlighted)
);
edit_set_cursor_color (
color_palette (option_editor_fg_cursor)
);
}
static gint
gtk_edit_expose (GtkWidget * widget,
GdkEventExpose * event)
{
GtkEdit *edit;
g_return_val_if_fail (widget != NULL, FALSE);
g_return_val_if_fail (GTK_IS_EDIT (widget), FALSE);
g_return_val_if_fail (event != NULL, FALSE);
if (GTK_WIDGET_DRAWABLE (widget)) {
/* convert the gtk expose to a coolwidget expose */
XExposeEvent xexpose;
xexpose.x = event->area.x;
xexpose.y = event->area.y;
xexpose.width = event->area.width;
xexpose.height = event->area.height;
edit = GTK_EDIT (widget);
gtk_edit_set_colors (edit);
edit_render_expose (edit->editor, &xexpose);
edit_status (edit->editor);
}
return FALSE;
}
void edit_update_screen (WEdit * e)
{
if (!e)
return;
if (!e->force)
return;
edit_scroll_screen_over_cursor (e);
edit_update_curs_row (e);
edit_update_curs_col (e);
#if 0
update_scroll_bars (e);
#endif
edit_status (e);
if (e->force & REDRAW_COMPLETELY)
e->force |= REDRAW_PAGE;
/* pop all events for this window for internal handling */
if (e->force & (REDRAW_CHAR_ONLY | REDRAW_COMPLETELY)) {
edit_render_keypress (e);
#if 0
} else if (CCheckWindowEvent (e->widget->winid, ButtonPressMask | ButtonReleaseMask | ButtonMotionMask, 0)
|| CKeyPending ()) {
e->force |= REDRAW_PAGE;
return;
#endif
} else {
edit_render_keypress (e);
}
}
void gtk_edit_mouse_redraw (WEdit * edit, long click)
{
edit->force |= REDRAW_PAGE | REDRAW_LINE;
edit_update_curs_row (edit);
edit_update_curs_col (edit);
edit->prev_col = edit_get_col (edit);
edit_update_screen (edit);
edit->search_start = click;
}
/* returns the position in the edit buffer of a window click */
static long edit_get_click_pos (WEdit * edit, int x, int y)
{
long click;
/* (1) goto to left margin */
click = edit_bol (edit, edit->curs1);
/* (1) move up or down */
if (y > (edit->curs_row + 1))
click = edit_move_forward (edit, click, y - (edit->curs_row + 1), 0);
if (y < (edit->curs_row + 1))
click = edit_move_backward (edit, click, (edit->curs_row + 1) - y);
/* (3) move right to x pos */
click = edit_move_forward3 (edit, click, x - edit->start_col - 1, 0);
return click;
}
static void edit_translate_xy (int xs, int ys, int *x, int *y)
{
*x = xs - EDIT_TEXT_HORIZONTAL_OFFSET;
*y = (ys - EDIT_TEXT_VERTICAL_OFFSET - option_text_line_spacing / 2 - 1) / FONT_PIX_PER_LINE + 1;
}
static gint gtk_edit_button_press_release (GtkWidget * widget,
GdkEventButton * event)
{
GtkEditable *editable;
GtkEdit *edit;
WEdit *e;
static GdkAtom ctext_atom = GDK_NONE;
int x_text = 0, y_text = 0;
long mouse_pos;
static long button_down_pos;
static long dragging = 0;
g_return_val_if_fail (widget != NULL, FALSE);
g_return_val_if_fail (GTK_IS_EDIT (widget), FALSE);
g_return_val_if_fail (event != NULL, FALSE);
if (ctext_atom == GDK_NONE)
ctext_atom = gdk_atom_intern ("COMPOUND_TEXT", FALSE);
edit = GTK_EDIT (widget);
e = edit->editor;
editable = GTK_EDITABLE (widget);
if (!GTK_WIDGET_HAS_FOCUS (widget))
if (!(event->state & (GDK_CONTROL_MASK | GDK_SHIFT_MASK)))
gtk_widget_grab_focus (widget);
edit_translate_xy (event->x, event->y, &x_text, &y_text);
mouse_pos = edit_get_click_pos (e, x_text, y_text);
switch (event->type) {
case GDK_BUTTON_RELEASE:
if (!dragging)
return FALSE;
case GDK_MOTION_NOTIFY:
if (mouse_pos == button_down_pos)
return FALSE;
dragging = 1;
edit_cursor_move (e, mouse_pos - e->curs1);
gtk_edit_set_selection (GTK_EDITABLE (widget), mouse_pos, button_down_pos);
gtk_edit_mouse_redraw (e, mouse_pos);
break;
case GDK_BUTTON_PRESS:
dragging = 0;
if (event->button == 2) {
edit_cursor_move (e, mouse_pos - e->curs1);
editable->current_pos = mouse_pos;
gtk_selection_convert (GTK_WIDGET (edit), GDK_SELECTION_PRIMARY,
ctext_atom, event->time);
gtk_edit_mouse_redraw (e, mouse_pos);
editable->selection_start_pos = e->mark1;
editable->selection_end_pos = e->mark2;
return FALSE;
}
button_down_pos = mouse_pos;
#if 0
if (editable->has_selection)
if (mouse_pos >= editable->selection_start_pos
&& mouse_pos < editable->selection_end_pos)
gtk_edit_set_selection (GTK_EDITABLE (widget), mouse_pos, mouse_pos);
#endif
edit_cursor_move (e, mouse_pos - e->curs1);
gtk_edit_mouse_redraw (e, mouse_pos);
break;
case GDK_2BUTTON_PRESS:
dragging = 0;
edit_cursor_move (e, mouse_pos - e->curs1);
edit_right_word_move (e, 1);
mouse_pos = e->curs1;
edit_left_word_move (e, 1);
button_down_pos = e->curs1;
gtk_edit_set_selection (GTK_EDITABLE (widget), mouse_pos, button_down_pos);
gtk_edit_mouse_redraw (e, mouse_pos);
break;
case GDK_3BUTTON_PRESS:
dragging = 0;
mouse_pos = edit_bol (e, mouse_pos);
edit_cursor_move (e, mouse_pos - e->curs1);
button_down_pos = edit_eol (e, mouse_pos) + 1;
gtk_edit_set_selection (GTK_EDITABLE (widget), mouse_pos, button_down_pos);
gtk_edit_mouse_redraw (e, mouse_pos);
break;
default:
dragging = 0;
break;
}
editable->current_pos = e->curs1;
return FALSE;
}
static gint
gtk_edit_button_motion (GtkWidget * widget,
GdkEventMotion * event)
{
return gtk_edit_button_press_release (widget, (GdkEventButton *) event);
}
static guint toggle_bit (guint x, guint mask)
{
unsigned long m = -1;
if ((x & mask))
return x & (m - mask);
else
return x | mask;
}
int mod_type_key (guint x)
{
switch ((guint) x) {
case GDK_Shift_L:
case GDK_Shift_R:
case GDK_Control_L:
case GDK_Control_R:
case GDK_Caps_Lock:
case GDK_Shift_Lock:
case GDK_Meta_L:
case GDK_Meta_R:
case GDK_Alt_L:
case GDK_Alt_R:
case GDK_Super_L:
case GDK_Super_R:
case GDK_Hyper_L:
case GDK_Hyper_R:
return 1;
}
return 0;
}
/* get a 15 bit "almost unique" key sym that includes keyboard modifier
info in the top 3 bits */
short key_sym_mod (gint key, gint state)
{
if (key && !mod_type_key (key)) {
key = toggle_bit (key, 0x1000 * ((state & GDK_SHIFT_MASK) != 0));
key = toggle_bit (key, 0x2000 * ((state & GDK_CONTROL_MASK) != 0));
key = toggle_bit (key, 0x4000 * ((state & GDK_MOD1_MASK) != 0));
key &= 0x7FFF;
} else
key = 0;
return key;
}
static gint gtk_edit_key_press (GtkWidget * widget, GdkEventKey * event)
{
GtkEditable *editable;
GtkEdit *edit;
WEdit *e;
gint command = 0, insert = -1, r = 0;
guint key, state;
g_return_val_if_fail (widget != NULL, FALSE);
g_return_val_if_fail (GTK_IS_EDIT (widget), FALSE);
g_return_val_if_fail (event != NULL, FALSE);
edit = GTK_EDIT (widget);
editable = GTK_EDITABLE (widget);
e = edit->editor;
if (!edit_translate_key (0, event->keyval, event->state, &command, &insert)) {
return FALSE;
}
key = event->keyval;
state = event->state;
if (!command && insert < 0) { /* no translation took place, so lets see if we have a macro */
if ((key == GDK_r || key == GDK_R) && (state & ControlMask)) {
command = e->macro_i < 0 ? CK_Begin_Record_Macro : CK_End_Record_Macro;
} else {
command = key_sym_mod (key, state);
if (command > 0)
command = CK_Macro (command);
}
}
r = edit_execute_key_command (e, command, insert);
if (r)
edit_update_screen (e);
editable->selection_start_pos = e->mark1;
editable->selection_end_pos = ((e->mark2 < 0) ? e->curs1 : e->mark2);
editable->has_selection = editable->selection_start_pos != editable->selection_end_pos;
editable->current_pos = e->curs1;
return r;
}
/**********************************************************************/
/* Widget Crap */
/**********************************************************************/
char *home_dir = 0;
static void get_home_dir (void)
{
if (home_dir) /* already been set */
return;
home_dir = getenv ("HOME");
if (home_dir)
if (*home_dir) {
home_dir = strdup (home_dir);
return;
}
home_dir = (getpwuid (geteuid ()))->pw_dir;
if (home_dir)
if (*home_dir) {
home_dir = strdup (home_dir);
return;
}
fprintf (stderr, _("gtkedit.c: HOME environment variable not set and no passwd entry - aborting\n"));
abort ();
}
static gchar *gtk_edit_get_chars (GtkEditable * editable,
gint start_pos,
gint end_pos)
{
GtkEdit *edit;
gchar *retval;
int i;
g_return_val_if_fail (editable != NULL, NULL);
g_return_val_if_fail (GTK_IS_EDIT (editable), NULL);
edit = GTK_EDIT (editable);
if (end_pos < 0)
end_pos = edit->editor->last_byte;
if ((start_pos < 0) ||
(end_pos > edit->editor->last_byte) ||
(end_pos < start_pos))
return 0;
retval = malloc (end_pos - start_pos + 1);
retval[end_pos - start_pos] = '\0';
for (i = 0; start_pos < end_pos; start_pos++, i++)
retval[i] = (gchar) edit_get_byte (edit->editor, start_pos);
return retval;
}
static void gtk_edit_set_selection (GtkEditable * editable,
gint start,
gint end)
{
GtkEdit *edit = GTK_EDIT (editable);
WEdit *e;
e = edit->editor;
if (end < 0)
end = edit->editor->last_byte;
editable->selection_start_pos = e->mark1 = MIN (start, end);
editable->selection_end_pos = e->mark2 = MAX (start, end);
editable->has_selection = (e->mark2 != e->mark1);
gtk_edit_mouse_redraw (e, e->curs1);
gtk_editable_claim_selection (editable, TRUE, GDK_CURRENT_TIME);
}
static void gtk_edit_insert_text (GtkEditable * editable,
const gchar * new_text,
gint new_text_length,
gint * position)
{
GtkEdit *edit = GTK_EDIT (editable);
edit_cursor_move (edit->editor, *position - edit->editor->curs1);
while (new_text_length--)
edit_insert_ahead (edit->editor, new_text[new_text_length]);
*position = edit->editor->curs1;
}
static void gtk_edit_class_init (GtkEditClass * class)
{
GtkObjectClass *object_class;
GtkWidgetClass *widget_class;
GtkEditableClass *editable_class;
object_class = (GtkObjectClass *) class;
widget_class = (GtkWidgetClass *) class;
editable_class = (GtkEditableClass *) class;
parent_class = gtk_type_class (gtk_editable_get_type ());
object_class->destroy = gtk_edit_destroy;
widget_class->realize = gtk_edit_realize;
widget_class->unrealize = gtk_edit_unrealize;
widget_class->style_set = gtk_edit_style_set;
widget_class->draw_focus = gtk_edit_draw_focus;
widget_class->size_request = gtk_edit_size_request;
widget_class->size_allocate = gtk_edit_size_allocate;
widget_class->draw = gtk_edit_draw;
widget_class->expose_event = gtk_edit_expose;
widget_class->button_press_event = gtk_edit_button_press_release;
widget_class->button_release_event = gtk_edit_button_press_release;
widget_class->motion_notify_event = gtk_edit_button_motion;
widget_class->key_press_event = gtk_edit_key_press;
#if 0
widget_class->focus_in_event = gtk_edit_focus_in;
widget_class->focus_out_event = gtk_edit_focus_out;
#endif
widget_class->focus_in_event = 0;
widget_class->focus_out_event = 0;
editable_class->insert_text = gtk_edit_insert_text;
#if 0
editable_class->delete_text = gtk_edit_delete_text;
editable_class->update_text = gtk_edit_update_text;
#else
editable_class->delete_text = 0;
editable_class->update_text = 0;
#endif
editable_class->get_chars = gtk_edit_get_chars;
editable_class->set_selection = gtk_edit_set_selection;
editable_class->set_position = gtk_edit_set_position;
#if 0
editable_class->set_position = 0;
#endif
get_home_dir ();
}
static void gtk_edit_init (GtkEdit * edit)
{
static int made_directory = 0;
GTK_WIDGET_SET_FLAGS (edit, GTK_CAN_FOCUS);
edit->editor = edit_init (0, 80, 25, 0, "", "/", 0);
edit->editor->macro_i = -1;
edit->editor->widget = edit;
edit->timer = 0;
edit->menubar = 0;
edit->status = 0;
edit->options = 0;
gtk_edit_configure_font_dimensions (edit);
if (!made_directory) {
mkdir (catstrs (home_dir, EDIT_DIR, 0), 0700);
made_directory = 1;
}
GTK_EDITABLE (edit)->editable = TRUE;
}
guint
gtk_edit_get_type (void)
{
static guint edit_type = 0;
if (!edit_type) {
GtkTypeInfo edit_info =
{
"GtkEdit",
sizeof (GtkEdit),
sizeof (GtkEditClass),
(GtkClassInitFunc) gtk_edit_class_init,
(GtkObjectInitFunc) gtk_edit_init,
(GtkArgSetFunc) NULL,
(GtkArgGetFunc) NULL,
};
edit_type = gtk_type_unique (gtk_editable_get_type (), &edit_info);
}
return edit_type;
}
#include <libgnomeui/gtkcauldron.h>
#include <libgnomeui/gnome-stock.h>
char *gtk_edit_dialog_get_save_file (guchar * dir, guchar * def, guchar * title)
{
char *s;
s = gtk_dialog_cauldron (
title, GTK_CAULDRON_TOPLEVEL | GTK_CAULDRON_GRAB,
" ( ( (Filename:)d | %Fgxf )f )xf / ( %Bxfgrq || %Bxfgq )f ",
&def, "filename", title,
GNOME_STOCK_BUTTON_OK,
GNOME_STOCK_BUTTON_CANCEL
);
if (s == GTK_CAULDRON_ESCAPE || !s || s == GNOME_STOCK_BUTTON_CANCEL)
return 0;
return def;
}
char *gtk_edit_dialog_get_load_file (guchar * dir, guchar * def, guchar * title)
{
char *s;
s = gtk_dialog_cauldron (
title, GTK_CAULDRON_TOPLEVEL | GTK_CAULDRON_GRAB,
" ( ( (Filename:)d | %Fgxf )f )xf / ( %Bxfgrq || %Bxfgq )f ",
&def, "filename", title,
GNOME_STOCK_BUTTON_OK,
GNOME_STOCK_BUTTON_CANCEL
);
if (s == GTK_CAULDRON_ESCAPE || !s || s == GNOME_STOCK_BUTTON_CANCEL)
return 0;
return def;
}
void gtk_edit_dialog_message (guchar * heading, char *fmt,...)
{
gchar s[8192];
va_list ap;
va_start (ap, fmt);
vsprintf (s, fmt, ap);
va_end (ap);
gtk_dialog_cauldron (
heading, GTK_CAULDRON_TOPLEVEL | GTK_CAULDRON_GRAB,
" [ ( %Ld )xf ]xf / ( %Bxfgq )f ",
s,
GNOME_STOCK_BUTTON_CANCEL
);
return;
}
int gtk_edit_dialog_query (guchar * heading, guchar * first,...)
{
char *buttons[16];
char s[1024], *r;
int n;
va_list ap;
va_start (ap, first);
n = 0;
while ((buttons[n++] = va_arg (ap, char *)) && n < 15);
va_end (ap);
buttons[n] = 0;
strcpy (s, " [ ( %Lxf )xf ]xf / ( ");
n = 0;
while (buttons[n]) {
strcat (s, " %Bqxf ");
if (!buttons[n])
break;
strcat (s, " ||");
n++;
}
strcat (s, " )f");
r = gtk_dialog_cauldron (heading, GTK_CAULDRON_TOPLEVEL | GTK_CAULDRON_IGNOREENTER | GTK_CAULDRON_GRAB, s, first,
buttons[0], buttons[1], buttons[2], buttons[3],
buttons[4], buttons[5], buttons[6], buttons[7],
buttons[8], buttons[9], buttons[10], buttons[11],
buttons[12], buttons[13], buttons[14], buttons[15]
);
n = 0;
if (r == GTK_CAULDRON_ESCAPE || !r || r == GNOME_STOCK_BUTTON_CANCEL)
return -1;
while (buttons[n]) {
if (!strcmp (buttons[n], r))
return n;
n++;
}
return -1;
}
void gtk_edit_dialog_error (guchar * heading, char *fmt, ...)
{
gchar s[8192];
va_list ap;
va_start (ap, fmt);
vsprintf (s, fmt, ap);
va_end (ap);
gtk_dialog_cauldron (
heading, GTK_CAULDRON_TOPLEVEL | GTK_CAULDRON_GRAB,
" [ ( %Ld )xf ]xf / ( %Bxfgq )f",
s,
GNOME_STOCK_BUTTON_CANCEL
);
return;
}
struct color_matrix_struct {
unsigned int R, G, B;
} color_matrix[27] =
{
{0, 0, 0},
{0, 0, 128},
{0, 0, 255},
{0, 139, 0},
{0, 139, 139},
{0, 154, 205},
{0, 255, 0},
{0, 250, 154},
{0, 255, 255},
{139, 37, 0},
{139, 0, 139},
{125, 38, 205},
{139, 117, 0},
{127, 127, 127},
{123, 104, 238},
{127, 255, 0},
{135, 206, 235},
{127, 255, 212},
{238, 0, 0},
{238, 18, 137},
{238, 0, 238},
{205, 102, 0},
{248, 183, 183},
{224, 102, 255},
{238, 238, 0},
{238, 230, 133},
{248, 248, 255}
};
void gtk_edit_alloc_colors (GtkEdit *edit, GdkColormap *colormap)
{
int i;
for (i = 0; i < 27; i++) {
edit->color[i].red = (gushort) color_matrix[i].R << 8;
edit->color[i].green = (gushort) color_matrix[i].G << 8;
edit->color[i].blue = (gushort) color_matrix[i].B << 8;
if (!gdk_color_alloc (colormap, &edit->color[i]))
g_warning ("cannot allocate color");
}
edit->color_last_pixel = 27;
}
int allocate_color (WEdit *edit, gchar *color)
{
GtkEdit *win;
win = (GtkEdit *) edit->widget;
if (!color)
return NO_COLOR;
if (*color >= '0' && *color <= '9') {
return atoi (color);
} else {
int i;
GdkColor c;
if (!color)
return NO_COLOR;
if (!gdk_color_parse (color, &c))
return NO_COLOR;
if (!gdk_color_alloc (gtk_widget_get_colormap(GTK_WIDGET (edit->widget)), &c))
return NO_COLOR;
for (i = 0; i < (GTK_EDIT (edit->widget))->color_last_pixel; i++)
if (color_palette (i) == c.pixel)
return i;
GTK_EDIT (edit->widget)->color[(GTK_EDIT (edit->widget))->color_last_pixel].pixel = c.pixel;
return (GTK_EDIT (edit->widget))->color_last_pixel++;
}
}
static void gtk_edit_set_position (GtkEditable * editable, gint position)
{
WEdit *edit;
edit = GTK_EDIT(editable)->editor;
edit_cursor_move (edit, position - edit->curs1);
edit_move_to_prev_col (edit, 0);
edit->force |= REDRAW_PAGE;
edit->search_start = 0;
edit_update_curs_row (edit);
}
/* returns 1 on error */
gint gtk_edit_load_file_from_filename (GtkWidget * edit, const gchar * filename)
{
return edit_load_file_from_filename (GTK_EDIT (edit)->editor, (char *) filename);
}
void gtk_edit_set_top_line (GtkWidget * e, int line)
{
WEdit *edit;
edit = GTK_EDIT (e)->editor;
edit_move_display (edit, line - edit->num_widget_lines / 2 - 1);
edit->force |= REDRAW_COMPLETELY;
}
void gtk_edit_set_cursor_line (GtkWidget * e, int line)
{
WEdit *edit;
edit = GTK_EDIT (e)->editor;
edit_move_to_line (edit, line - 1);
edit->force |= REDRAW_COMPLETELY;
}
void about_cb (GtkWidget * widget, void *data)
{
gtk_dialog_cauldron ("About", GTK_CAULDRON_TOPLEVEL | GTK_CAULDRON_GRAB, " [ (Mcedit - an editor for the midnight commander\n\
ported from Cooledit - a user friendly text editor for the X Window System.)xf ]xf / ( %Bgqxf )f ", GNOME_STOCK_BUTTON_OK);
return;
}
void gtk_edit_command (GtkEdit * edit, gint command)
{
int r;
gtk_widget_grab_focus (GTK_WIDGET (edit));
r = edit_execute_key_command (edit->editor, command, -1);
if (r)
edit_update_screen (edit->editor);
}
void gtk_edit_quit (GtkEdit * widget, void *data) { GtkEdit *edit = (GtkEdit *) data ; gtk_edit_command (edit, CK_Exit); }
void gtk_edit_load_file (GtkEdit * widget, void *data) { GtkEdit *edit = (GtkEdit *) data ; gtk_edit_command (edit, CK_Load); }
void gtk_edit_new_file (GtkEdit * widget, void *data) { GtkEdit *edit = (GtkEdit *) data ; gtk_edit_command (edit, CK_New); }
void gtk_edit_save_file (GtkEdit * widget, void *data) { GtkEdit *edit = (GtkEdit *) data ; gtk_edit_command (edit, CK_Save); }
void gtk_edit_save_as_file (GtkEdit * widget, void *data) { GtkEdit *edit = (GtkEdit *) data ; gtk_edit_command (edit, CK_Save_As); }
void gtk_edit_insert_file (GtkEdit * widget, void *data) { GtkEdit *edit = (GtkEdit *) data ; gtk_edit_command (edit, CK_Insert_File); }
void gtk_edit_copy_to_file (GtkEdit * widget, void *data) { GtkEdit *edit = (GtkEdit *) data ; gtk_edit_command (edit, CK_Save_Block); }
void gtk_edit_clip_cut (GtkEdit * widget, void *data) { GtkEdit *edit = (GtkEdit *) data ; gtk_edit_command (edit, CK_XCut); }
void gtk_edit_clip_copy (GtkEdit * widget, void *data) { GtkEdit *edit = (GtkEdit *) data ; gtk_edit_command (edit, CK_XStore); }
void gtk_edit_clip_paste (GtkEdit * widget, void *data) { GtkEdit *edit = (GtkEdit *) data ; gtk_edit_command (edit, CK_XPaste); }
void gtk_edit_toggle_mark (GtkEdit * widget, void *data) { GtkEdit *edit = (GtkEdit *) data ; gtk_edit_command (edit, CK_Mark); }
void gtk_edit_search (GtkEdit * widget, void *data) { GtkEdit *edit = (GtkEdit *) data ; gtk_edit_command (edit, CK_Find); }
void gtk_edit_search_again (GtkEdit * widget, void *data) { GtkEdit *edit = (GtkEdit *) data ; gtk_edit_command (edit, CK_Find_Again); }
void gtk_edit_replace (GtkEdit * widget, void *data) { GtkEdit *edit = (GtkEdit *) data ; gtk_edit_command (edit, CK_Replace); }
void gtk_edit_copy (GtkEdit * widget, void *data) { GtkEdit *edit = (GtkEdit *) data ; gtk_edit_command (edit, CK_Copy); }
void gtk_edit_move (GtkEdit * widget, void *data) { GtkEdit *edit = (GtkEdit *) data ; gtk_edit_command (edit, CK_Move); }
void gtk_edit_delete (GtkEdit * widget, void *data) { GtkEdit *edit = (GtkEdit *) data ; gtk_edit_command (edit, CK_Remove); }
void gtk_edit_undo (GtkEdit * widget, void *data) { GtkEdit *edit = (GtkEdit *) data ; gtk_edit_command (edit, CK_Undo); }
#if 0
struct _GnomeUIInfo {
GnomeUIInfoType type;
gchar *label;
gchar *hint; /* For toolbar items, the tooltip. For menu items, the status bar message */
/* For an item, toggleitem, or radioitem, procedure to call when activated.
For a subtree, point to the GnomeUIInfo array for that subtree.
For a radioitem lead entry, point to the GnomeUIInfo array for
the radio item group. For the radioitem array, procedure to
call when activated. For a help item, specifies the help node to load
(or NULL for main prog's name)
For builder data, point to the GnomeUIBuilderData structure for the following items */
gpointer moreinfo;
gpointer user_data;
gpointer unused_data;
GnomeUIPixmapType pixmap_type;
/* Either
* a pointer to the char for the pixmap (GNOME_APP_PIXMAP_DATA),
* a char* for the filename (GNOME_APP_PIXMAP_FILENAME),
* or a char* for the stock pixmap name (GNOME_APP_PIXMAP_STOCK).
*/
gpointer pixmap_info;
guint accelerator_key; /* Accelerator key... Set to 0 to ignore */
GdkModifierType ac_mods; /* An OR of the masks for the accelerator */
GtkWidget *widget; /* Filled in by gnome_app_create* */
};
#endif
typedef struct _TbItems TbItems;
struct _TbItems {
char *key, *text, *tooltip, *icon;
void (*cb) (GtkEdit *, void *);
GtkWidget *widget; /* will be filled in */
};
#define TB_PROP 7
static TbItems tb_items[] =
{
{"F1", N_("Help"), N_("Interactive help browser"), GNOME_STOCK_MENU_BLANK, 0, NULL},
{"F2", N_("Save"), N_("Save to current file name"), GNOME_STOCK_MENU_SAVE, gtk_edit_save_file, NULL},
{"F3", N_("Mark"), N_("Toggle In/Off invisible marker to highlight text"), GNOME_STOCK_MENU_BLANK, gtk_edit_toggle_mark, NULL},
{"F4", N_("Replc"), N_("Find and replace strings/regular expressions"), GNOME_STOCK_MENU_SRCHRPL, gtk_edit_replace, NULL},
{"F5", N_("Copy"), N_("Copy highlighted block to cursor position"), GNOME_STOCK_MENU_COPY, gtk_edit_copy, NULL},
{"F6", N_("Move"), N_("Move highlighted block to cursor position"), GNOME_STOCK_MENU_BLANK, gtk_edit_move, NULL},
{"F7", N_("Find"), N_("Find strings/regular expressions"), GNOME_STOCK_MENU_SEARCH, gtk_edit_search, NULL},
{"F8", N_("Dlete"), N_("Delete highlighted text"), GNOME_STOCK_MENU_BLANK, gtk_edit_delete, NULL},
{"F9", N_("Menu"), N_("Pull down menu"), GNOME_STOCK_MENU_BLANK, /* gtk_edit_menu*/ 0, NULL},
{"F10", N_("Quit"), N_("Exit editor"), GNOME_STOCK_MENU_QUIT, gtk_edit_quit, NULL},
{0, 0, 0, 0, 0, 0}
};
static GtkWidget *create_toolbar (GtkWidget * window, GtkEdit * edit)
{
GtkWidget *toolbar;
TbItems *t;
toolbar = gtk_toolbar_new (GTK_ORIENTATION_HORIZONTAL, GTK_TOOLBAR_BOTH);
for (t = &tb_items[0]; t->text; t++) {
t->widget = gtk_toolbar_append_item (GTK_TOOLBAR (toolbar),
_(t->text),
_(t->tooltip),
0,
gnome_stock_pixmap_widget (window, t->icon),
t->cb,
t->cb ? edit : 0);
}
return toolbar;
}
/* returns 1 on error */
int edit (const char *file, int line)
{
GtkWidget *app;
GtkWidget *edit, *statusbar;
edit = gtk_edit_new (NULL, NULL);
app = gnome_app_new ("mcedit", (char *) (file ? file : "Mcedit"));
{
static GnomeUIInfo file_menu[] =
{
GNOMEUIINFO_MENU_OPEN_ITEM( gtk_edit_load_file, NULL),
GNOMEUIINFO_MENU_NEW_ITEM( "_New", N_ ("Clear the edit buffer"), gtk_edit_new_file, NULL),
GNOMEUIINFO_SEPARATOR,
GNOMEUIINFO_MENU_SAVE_ITEM( gtk_edit_save_file, NULL),
GNOMEUIINFO_MENU_SAVE_AS_ITEM( gtk_edit_save_as_file, NULL),
GNOMEUIINFO_SEPARATOR,
GNOMEUIINFO_ITEM_DATA( N_ ("Insert File"), N_ ("Insert text from a file"),
gtk_edit_insert_file, NULL, NULL),
GNOMEUIINFO_ITEM_DATA( N_ ("Copy to file"), N_ ("copy a block to a file"),
gtk_edit_copy_to_file, NULL, NULL),
GNOMEUIINFO_SEPARATOR,
GNOMEUIINFO_MENU_EXIT_ITEM(gtk_edit_quit, NULL),
GNOMEUIINFO_END
};
static GnomeUIInfo edit_menu[] =
{
GNOMEUIINFO_MENU_COPY_ITEM(gtk_edit_clip_copy, NULL),
GNOMEUIINFO_MENU_CUT_ITEM( gtk_edit_clip_cut, NULL),
GNOMEUIINFO_MENU_PASTE_ITEM( gtk_edit_clip_paste, NULL),
GNOMEUIINFO_SEPARATOR,
GNOMEUIINFO_MENU_UNDO_ITEM(gtk_edit_undo, NULL),
GNOMEUIINFO_END
};
static GnomeUIInfo search_menu[] =
{
GNOMEUIINFO_MENU_FIND_ITEM(gtk_edit_search, NULL),
GNOMEUIINFO_MENU_FIND_AGAIN_ITEM(gtk_edit_search_again, NULL),
GNOMEUIINFO_MENU_REPLACE_ITEM(gtk_edit_replace, NULL),
GNOMEUIINFO_END
};
static GnomeUIInfo help_menu[] =
{
GNOMEUIINFO_MENU_ABOUT_ITEM(about_cb, NULL),
#if 0
GNOMEUIINFO_SEPARATOR,
GNOMEUIINFO_HELP ("hello"),
#endif
GNOMEUIINFO_END
};
GnomeUIInfo main_menu[] =
{
GNOMEUIINFO_MENU_FILE_TREE(file_menu),
GNOMEUIINFO_MENU_EDIT_TREE(edit_menu),
GNOMEUIINFO_SUBTREE (N_ ("Search/Replace"), search_menu),
GNOMEUIINFO_MENU_HELP_TREE(help_menu),
GNOMEUIINFO_END
};
gtk_widget_realize (app);
statusbar = gtk_entry_new ();
gtk_entry_set_editable (GTK_ENTRY (statusbar), 0);
gtk_widget_set_usize (app, 400, 400);
gnome_app_create_menus_with_data (GNOME_APP (app), main_menu, edit);
gnome_app_set_contents (GNOME_APP (app), edit);
gnome_app_set_statusbar (GNOME_APP (app), GTK_WIDGET (statusbar));
GTK_EDIT (edit)->menubar = GNOME_APP (app)->menubar;
GTK_EDIT (edit)->status = statusbar;
gnome_app_set_toolbar(GNOME_APP (app), GTK_TOOLBAR(create_toolbar(app, GTK_EDIT (edit))));
GTK_EDIT(edit)->destroy_me = gtk_widget_destroy;
GTK_EDIT(edit)->destroy_me_user_data = app;
gtk_widget_show (edit);
gtk_widget_realize (edit);
if (file)
if (*file)
if (gtk_edit_load_file_from_filename (edit, file)) {
gtk_widget_destroy (app);
return 1;
}
gtk_edit_set_cursor_line (edit, line);
gtk_widget_show_all (app);
gtk_widget_grab_focus (edit);
}
return 0;
}
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