gimp/app/docindex.c

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/* docindex.c - Creates the window used by the document index in go and gimp.
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*
* Copyright (C) 1998 Chris Lahey.
*
* 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, 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.
*/
#include <string.h>
#include <stdlib.h>
#include <gtk/gtk.h>
#include "docindexif.h"
#include "docindex.h"
#include "gimpdnd.h"
#include "gimprc.h"
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#include "libgimp/gimpenv.h"
#include "libgimp/gimpintl.h"
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idea_manager *ideas = NULL;
static GList *idea_list = NULL; /* of gchar *. */
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static gint x = 0, y = 0, width = 0, height = 0;
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static GtkTargetEntry drag_types[] =
{
GIMP_TARGET_URI_LIST
};
static gint n_drag_types = sizeof (drag_types) / sizeof (drag_types[0]);
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static void create_idea_list (void);
void docindex_configure_drop_on_widget (GtkWidget * widget);
void docindex_cell_configure_drop_on_widget (GtkWidget * widget);
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static void
docindex_dnd_filenames_dropped (GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
GtkSelectionData *selection_data,
guint info,
guint time)
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{
gint len;
gchar *data;
gchar *end;
switch (info)
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{
case GIMP_DND_TYPE_URI_LIST:
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data = (gchar *) selection_data->data;
len = selection_data->length;
while (len > 0)
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{
end = strstr (data, "\x0D\x0A");
if (end != NULL)
*end = 0;
if (*data != '#')
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{
gchar *filename = strchr (data, ':');
if (filename != NULL)
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filename ++;
else
filename = data;
open_file_in_position (filename, -1);
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}
if (end)
{
len -= end - data + 2;
data = end + 2;
}
else
len = 0;
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}
break;
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}
return;
}
void
docindex_configure_drop_on_widget (GtkWidget * widget)
{
gtk_drag_dest_set (widget,
GTK_DEST_DEFAULT_MOTION |
GTK_DEST_DEFAULT_HIGHLIGHT |
GTK_DEST_DEFAULT_DROP,
drag_types, n_drag_types,
GDK_ACTION_COPY);
gtk_signal_connect (GTK_OBJECT (widget), "drag_data_received",
GTK_SIGNAL_FUNC (docindex_dnd_filenames_dropped),
NULL);
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}
static void
docindex_cell_dnd_filenames_dropped (GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
GtkSelectionData *selection_data,
guint info,
guint time)
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{
gint len;
gchar *data;
gchar *end;
gint position = g_list_index (GTK_TREE (ideas->tree)->children, widget);
switch (info)
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{
case GIMP_DND_TYPE_URI_LIST:
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data = (gchar *) selection_data->data;
len = selection_data->length;
while (len > 0)
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{
end = strstr (data, "\x0D\x0A");
if (end != NULL)
*end = 0;
if (*data != '#')
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{
gchar *filename = strchr (data, ':');
if (filename != NULL)
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filename ++;
else
filename = data;
open_file_in_position (filename, position);
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}
if (end)
{
len -= end - data + 2;
data = end + 2;
}
else
len = 0;
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}
break;
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}
return;
}
void
docindex_cell_configure_drop_on_widget (GtkWidget *widget)
{
gtk_drag_dest_set (widget,
GTK_DEST_DEFAULT_MOTION |
GTK_DEST_DEFAULT_HIGHLIGHT |
GTK_DEST_DEFAULT_DROP,
drag_types, n_drag_types,
GDK_ACTION_COPY);
gtk_signal_connect (GTK_OBJECT (widget), "drag_data_received",
GTK_SIGNAL_FUNC (docindex_cell_dnd_filenames_dropped),
NULL);
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}
gboolean
idea_window_delete_event_callback (GtkWidget *widget,
GdkEvent *event,
gpointer data)
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{
if (! exit_from_go ())
{
save_idea_manager (ideas);
create_idea_list ();
g_free (ideas);
ideas = 0;
}
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return FALSE;
}
void
idea_hide_callback (GtkWidget *widget,
gpointer data)
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{
if (ideas || idea_list || width || height)
save_idea_manager (ideas);
/* False if exitting */
if ((! exit_from_go ()) && ideas)
{
create_idea_list ();
gtk_widget_destroy (ideas->window);
g_free (ideas);
ideas = 0;
}
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}
void
open_idea_window (void)
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{
make_idea_window (-1, -1);
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}
static void
load_from_list (gpointer data,
gpointer data_null)
{
idea_add_in_position ((gchar *) data, -1);
}
FILE *
idea_manager_parse_init (/* RETURNS: */
gint *window_x,
gint *window_y,
gint *window_width,
gint *window_height)
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{
FILE *fp = NULL;
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gchar *desktopfile;
desktopfile = gimp_personal_rc_file ("ideas");
fp = fopen (desktopfile, "r");
g_free (desktopfile);
/* Read in persistant desktop information. */
if (fp)
{
*window_x = getinteger (fp);
*window_y = getinteger (fp);
*window_width = getinteger (fp);
*window_height = getinteger (fp);
}
return fp;
}
gchar *
idea_manager_parse_line (FILE * fp)
{
gint length;
gchar *filename;
length = getinteger (fp);
if (!feof (fp) && !ferror (fp))
{
filename = g_malloc0 (length + 1);
filename[fread (filename, 1, length, fp)] = 0;
clear_white (fp);
return filename;
}
return NULL;
}
void
load_idea_manager (idea_manager *ideas)
{
FILE *fp = NULL;
if ( ! idea_list )
fp = idea_manager_parse_init (&x, &y, &width, &height);
if (idea_list || fp)
{
gtk_widget_set_usize (ideas->window, width, height);
gtk_widget_show (ideas->window);
gtk_widget_set_uposition (ideas->window, x, y);
gtk_idle_add (reset_usize, ideas->window);
if (fp)
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{
gchar *title;
clear_white (fp);
while ((title = idea_manager_parse_line (fp)))
{
idea_add_in_position (title, -1);
g_free (title);
}
fclose (fp);
}
else
{
g_list_foreach (idea_list, load_from_list, NULL);
g_list_foreach (idea_list, (GFunc) g_free, NULL);
g_list_free (idea_list);
idea_list = 0;
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}
}
else
gtk_widget_show (ideas->window);
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}
static void
save_to_ideas (gpointer data,
gpointer user_data)
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{
gchar *title = GTK_LABEL (GTK_BIN ((GtkWidget *) data)->child)->label;
fprintf ((FILE *) user_data, "%d %s\n", strlen (title), title);
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}
static void
save_list_to_ideas (gpointer data,
gpointer user_data)
{
gchar *title = (gchar *) data;
fprintf ((FILE *) user_data, "%d %s\n", strlen (title), title);
}
void
save_idea_manager (idea_manager *ideas)
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{
FILE *fp;
gchar *desktopfile;
/* open persistant desktop file. */
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desktopfile = gimp_personal_rc_file ("ideas");
fp = fopen (desktopfile, "w");
g_free (desktopfile);
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if (fp)
{
if (ideas)
{
gint x, y, width, height;
gdk_window_get_geometry (ideas->window->window,
&x, &y, &width, &height, NULL);
gdk_window_get_origin (ideas->window->window, &x, &y);
fprintf (fp, "%d %d %d %d\n", x, y, width, height);
g_list_foreach (GTK_TREE (ideas->tree)->children, save_to_ideas, fp);
}
else
{
if (idea_list)
{
fprintf (fp, "%d %d %d %d\n", x, y, width, height);
g_list_foreach (idea_list, save_list_to_ideas, fp);
}
}
fclose (fp);
}
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}
static void
save_to_list (gpointer data,
gpointer null_data)
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{
gchar *title = g_strdup (GTK_LABEL (GTK_BIN ((GtkWidget *) data)->child)->label);
idea_list = g_list_append (idea_list, title);
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}
static void
create_idea_list (void)
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{
gdk_window_get_geometry (ideas->window->window,
&x, &y, &width, &height, NULL);
gdk_window_get_origin (ideas->window->window, &x, &y);
if (idea_list)
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{
g_list_foreach (idea_list, (GFunc) g_free, NULL);
g_list_free (idea_list);
idea_list = 0;
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}
g_list_foreach (GTK_TREE (ideas->tree)->children, save_to_list, NULL);
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}
static gint
open_or_raise_callback (GtkWidget *widget,
GdkEventButton *event,
gpointer func_data )
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{
if (GTK_IS_TREE_ITEM (widget) &&
event->type == GDK_2BUTTON_PRESS)
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{
open_or_raise (GTK_LABEL (GTK_BIN (widget)->child )->label);
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}
return FALSE;
}
void
raise_idea_callback (GtkWidget *widget,
gpointer data)
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{
if (ideas)
gdk_window_raise (ideas->window->window);
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else
open_idea_window ();
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}
static void
check_needed (gpointer data,
gpointer user_data)
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{
GtkWidget *widget = (GtkWidget *) data;
struct bool_char_pair *pair = (struct bool_char_pair *) user_data;
if (strcmp (pair->string, GTK_LABEL (GTK_BIN (widget)->child )->label) == 0)
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{
pair->boole = TRUE;
}
}
static void
check_needed_list (gpointer data,
gpointer user_data)
{
struct bool_char_pair *pair = (struct bool_char_pair *) user_data;
if (strcmp (pair->string, (gchar *) data ) == 0)
{
pair->boole = TRUE;
}
}
static void
idea_add_in_position_with_select (gchar *title,
gint position,
gboolean select )
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{
GtkWidget *treeitem;
struct bool_char_pair pair;
pair.boole = FALSE;
pair.string = title;
if (ideas)
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{
g_list_foreach (GTK_TREE (ideas->tree)->children, check_needed, &pair);
if (! pair.boole)
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{
treeitem = gtk_tree_item_new_with_label (title);
if (position < 0)
gtk_tree_append (GTK_TREE (ideas->tree), treeitem);
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else
gtk_tree_insert (GTK_TREE (ideas->tree), treeitem, position);
gtk_signal_connect (GTK_OBJECT (treeitem),
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"button_press_event",
GTK_SIGNAL_FUNC (open_or_raise_callback),
NULL);
docindex_cell_configure_drop_on_widget (treeitem);
gtk_widget_show (treeitem);
if (select)
gtk_tree_select_item (GTK_TREE (ideas->tree),
gtk_tree_child_position (GTK_TREE (ideas->tree ), treeitem));
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}
}
else
{
if (! idea_list)
{
FILE *fp = NULL;
gchar *desktopfile;
/* open persistant desktop file. */
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desktopfile = gimp_personal_rc_file ("ideas");
fp = fopen (desktopfile, "r");
g_free (desktopfile);
/* Read in persistant desktop information. */
if (fp)
{
gchar *title;
gint length;
x = getinteger (fp);
y = getinteger (fp);
width = getinteger (fp);
height = getinteger (fp);
clear_white (fp);
while (!feof (fp) && !ferror (fp))
{
length = getinteger (fp);
title = g_malloc0 (length + 1);
title[fread (title, 1, length, fp)] = 0;
idea_list = g_list_append (idea_list, g_strdup (title));
g_free (title);
clear_white (fp);
}
fclose (fp);
}
}
g_list_foreach (idea_list, check_needed_list, &pair);
if (! pair.boole)
{
if (position < 0)
idea_list = g_list_append (idea_list, g_strdup (title));
else
idea_list = g_list_insert (idea_list, g_strdup (title), position);
}
}
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}
void
idea_add (gchar *title)
{
idea_add_in_position (title, 0);
}
void
idea_add_in_position (gchar *title,
gint position)
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{
idea_add_in_position_with_select (title, position, TRUE);
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}
static gint
idea_move (GtkWidget *widget,
gint distance,
gboolean select)
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{
gint orig_position = g_list_index (GTK_TREE (ideas->tree)->children, widget);
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gint position = orig_position + distance;
gchar *title;
if (position < 0)
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position = 0;
if (position >= g_list_length (GTK_TREE (ideas->tree)->children))
position = g_list_length (GTK_TREE (ideas->tree)->children) - 1;
if (position != orig_position)
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{
title = g_strdup (GTK_LABEL (GTK_BIN (widget)->child )->label);
gtk_container_remove (GTK_CONTAINER (ideas->tree), widget);
idea_add_in_position_with_select (title, position, select);
g_free (title);
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}
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return position - orig_position;
}
static void
idea_remove (GtkWidget *widget)
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{
gint position = g_list_index (GTK_TREE (ideas->tree )->children, widget);
gtk_container_remove (GTK_CONTAINER (ideas->tree), widget);
if (g_list_length (GTK_TREE (ideas->tree)->children) - 1 < position)
position = g_list_length (GTK_TREE (ideas->tree)->children) - 1;
gtk_tree_select_item (GTK_TREE (ideas->tree), position);
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}
void
idea_up_callback (GtkWidget *widget,
gpointer data)
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{
GtkWidget *selected;
if (GTK_TREE (ideas->tree)->selection)
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{
selected = GTK_TREE (ideas->tree)->selection->data;
if (idea_move (selected, -1, TRUE) != -1)
gtk_statusbar_push (GTK_STATUSBAR (ideas->status), ideas->contextid,
_("This file cannot be moved up."));
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}
else
gtk_statusbar_push (GTK_STATUSBAR (ideas->status), ideas->contextid,
_("There's no selection to move up."));
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}
void
idea_down_callback (GtkWidget *widget,
gpointer data)
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{
GtkWidget *selected;
if (GTK_TREE (ideas->tree)->selection)
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{
selected = GTK_TREE (ideas->tree)->selection->data;
if (idea_move (selected, 1, TRUE) != 1)
gtk_statusbar_push (GTK_STATUSBAR (ideas->status), ideas->contextid,
_("This file cannot be moved down."));
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}
else
gtk_statusbar_push (GTK_STATUSBAR (ideas->status), ideas->contextid,
_("There's no selection to move down."));
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}
void
idea_remove_callback (GtkWidget *widget,
gpointer data)
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{
GtkWidget *selected;
if (GTK_TREE (ideas->tree)->selection)
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{
selected = GTK_TREE (ideas->tree)->selection->data;
idea_remove (selected);
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}
else
gtk_statusbar_push (GTK_STATUSBAR (ideas->status), ideas->contextid,
_("There's no selection to remove."));
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}
void
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close_idea_window( void )
{
idea_hide_callback (NULL, NULL);
}