mirror of https://github.com/GNOME/gimp.git
562 lines
14 KiB
C
562 lines
14 KiB
C
/* docindex.c - Creates the window used by the document index in go and gimp.
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*
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* Copyright (C) 1998 Chris Lahey.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include "docindexif.h"
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#include "docindex.h"
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#include <gtk/gtk.h>
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#include <string.h>
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#include <stdio.h>
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#include <stdlib.h>
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idea_manager *ideas = NULL;
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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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enum {
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TARGET_URI_LIST
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};
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static void create_idea_list( void );
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void docindex_configure_drop_on_widget(GtkWidget * widget);
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void docindex_cell_configure_drop_on_widget(GtkWidget * widget);
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static void
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docindex_dnd_filenames_dropped( GtkWidget *widget,
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GdkDragContext *context,
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gint x,
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gint y,
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GtkSelectionData *selection_data,
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guint info,
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guint time)
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{
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gint len;
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gchar *data;
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gchar *end;
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switch ( info )
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{
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case TARGET_URI_LIST:
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data = (gchar *) selection_data->data;
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len = selection_data->length;
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while( len > 0 )
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{
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end = strstr( data, "\x0D\x0A" );
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if ( end != NULL )
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*end = 0;
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if ( *data != '#' )
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{
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gchar *filename = strchr( data, ':' );
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if ( filename != NULL )
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filename ++;
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else
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filename = data;
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open_file_in_position( filename, -1 );
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}
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if ( end )
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{
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len -= end - data + 2;
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data = end + 2;
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}
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else
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len = 0;
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}
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break;
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}
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return;
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}
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void
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docindex_configure_drop_on_widget(GtkWidget * widget)
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{
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static GtkTargetEntry drag_types[] =
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{
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{ "text/uri-list", 0, TARGET_URI_LIST },
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};
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static gint n_drag_types = sizeof(drag_types)/sizeof(drag_types[0]);
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gtk_drag_dest_set (widget,
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GTK_DEST_DEFAULT_MOTION |
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GTK_DEST_DEFAULT_HIGHLIGHT |
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GTK_DEST_DEFAULT_DROP,
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drag_types, n_drag_types,
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GDK_ACTION_COPY);
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gtk_signal_connect(GTK_OBJECT(widget), "drag_data_received",
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GTK_SIGNAL_FUNC(docindex_dnd_filenames_dropped), NULL);
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}
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static void
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docindex_cell_dnd_filenames_dropped( GtkWidget *widget,
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GdkDragContext *context,
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gint x,
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gint y,
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GtkSelectionData *selection_data,
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guint info,
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guint time)
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{
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gint len;
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gchar *data;
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gchar *end;
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gint position = g_list_index( GTK_TREE( ideas->tree )->children, widget );
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switch ( info )
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{
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case TARGET_URI_LIST:
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data = (gchar *) selection_data->data;
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len = selection_data->length;
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while( len > 0 )
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{
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end = strstr( data, "\x0D\x0A" );
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if ( end != NULL )
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*end = 0;
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if ( *data != '#' )
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{
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gchar *filename = strchr( data, ':' );
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if ( filename != NULL )
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filename ++;
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else
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filename = data;
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open_file_in_position( filename, position );
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}
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if ( end )
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{
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len -= end - data + 2;
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data = end + 2;
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}
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else
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len = 0;
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}
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break;
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}
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return;
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}
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void
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docindex_cell_configure_drop_on_widget(GtkWidget * widget)
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{
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static GtkTargetEntry drag_types[] =
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{
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{ "text/uri-list", 0, TARGET_URI_LIST },
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};
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static gint n_drag_types = sizeof(drag_types)/sizeof(drag_types[0]);
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gtk_drag_dest_set (widget,
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GTK_DEST_DEFAULT_MOTION |
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GTK_DEST_DEFAULT_HIGHLIGHT |
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GTK_DEST_DEFAULT_DROP,
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drag_types, n_drag_types,
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GDK_ACTION_COPY);
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gtk_signal_connect(GTK_OBJECT(widget), "drag_data_received",
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GTK_SIGNAL_FUNC(docindex_cell_dnd_filenames_dropped), NULL);
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}
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gboolean
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idea_window_delete_event_callback( GtkWidget *widget, GdkEvent *event, gpointer data )
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{
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if ( ! exit_from_go() )
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{
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save_idea_manager( ideas );
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create_idea_list();
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g_free( ideas );
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ideas = 0;
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}
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return FALSE;
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}
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void
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idea_hide_callback( GtkWidget *widget, gpointer data )
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{
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if ( ideas || idea_list || width || height )
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save_idea_manager( ideas );
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/* False if exitting */
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if( ( ! exit_from_go() ) && ideas )
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{
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create_idea_list();
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gtk_widget_destroy( ideas->window );
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g_free( ideas );
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ideas = 0;
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}
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}
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void
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open_idea_window( void )
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{
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make_idea_window( -1, -1 );
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}
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static void
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load_from_list( gpointer data, gpointer data_null )
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{
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idea_add_in_position( (gchar *) data, -1 );
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}
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void
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load_idea_manager( idea_manager *ideas )
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{
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FILE *fp = NULL;
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gchar *desktopfile;
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gchar *home_dir;
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if ( ! idea_list )
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{
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home_dir = getenv( "HOME" );
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/* open persistant desktop file. */
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desktopfile = append2( home_dir, FALSE, IDEAPATH, FALSE );
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fp = fopen( desktopfile, "rb" );
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g_free( desktopfile );
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/* Read in persistant desktop information. */
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if ( fp )
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{
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x = getinteger( fp );
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y = getinteger( fp );
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width = getinteger( fp );
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height = getinteger( fp );
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}
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}
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if ( idea_list || fp )
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{
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gtk_widget_set_usize( ideas->window, width, height );
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gtk_widget_show( ideas->window );
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gtk_widget_set_uposition( ideas->window, x, y );
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gtk_idle_add( reset_usize, ideas->window );
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if( fp )
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{
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gchar *title;
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gint length;
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clear_white( fp );
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while ( ! feof( fp ) && !ferror( fp ) )
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{
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length = getinteger( fp );
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title = g_malloc0( length + 1 );
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title[fread( title, 1, length, fp )] = 0;
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idea_add_in_position( title, -1 );
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g_free( title );
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clear_white( fp );
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}
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fclose( fp );
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}
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else
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{
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g_list_foreach( idea_list, load_from_list, NULL );
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g_list_foreach( idea_list, (GFunc) g_free, NULL );
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g_list_free( idea_list );
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idea_list = 0;
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}
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}
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else
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gtk_widget_show( ideas->window );
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}
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static void
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save_to_ideas( gpointer data, gpointer user_data )
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{
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gchar *title = GTK_LABEL( GTK_BIN( (GtkWidget *) data )->child )->label;
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fprintf( (FILE *) user_data, "%d %s\n", strlen( title ), title );
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}
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static void
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save_list_to_ideas( gpointer data, gpointer user_data )
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{
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gchar *title = (gchar *) data;
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fprintf( (FILE *) user_data, "%d %s\n", strlen( title ), title );
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}
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void
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save_idea_manager( idea_manager *ideas )
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{
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FILE *fp;
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gchar *desktopfile;
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gchar *home_dir;
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home_dir = getenv( "HOME" );
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/* open persistant desktop file. */
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desktopfile = append2( home_dir, FALSE, IDEAPATH, FALSE );
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fp = fopen( desktopfile, "wb" );
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g_free( desktopfile );
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if ( fp )
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{
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if ( ideas )
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{
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int x, y, width, height;
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gdk_window_get_geometry( ideas->window->window, &x, &y, &width, &height, NULL );
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gdk_window_get_origin( ideas->window->window, &x, &y );
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fprintf( fp, "%d %d %d %d\n", x, y, width, height );
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g_list_foreach( GTK_TREE( ideas->tree )->children, save_to_ideas, fp );
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}
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else
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{
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if ( idea_list )
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{
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fprintf( fp, "%d %d %d %d\n", x, y, width, height );
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g_list_foreach( idea_list, save_list_to_ideas, fp );
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}
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}
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fclose( fp );
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}
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}
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static void
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save_to_list( gpointer data, gpointer null_data )
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{
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gchar *title = g_strdup( GTK_LABEL( GTK_BIN( (GtkWidget *) data )->child )->label );
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idea_list = g_list_append( idea_list, title );
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}
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static void
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create_idea_list( void )
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{
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gdk_window_get_geometry( ideas->window->window, &x, &y, &width, &height, NULL );
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gdk_window_get_origin( ideas->window->window, &x, &y );
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if( idea_list )
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{
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g_list_foreach( idea_list, (GFunc) g_free, NULL );
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g_list_free( idea_list );
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idea_list = 0;
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}
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g_list_foreach( GTK_TREE( ideas->tree )->children, save_to_list, NULL );
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}
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static gint
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open_or_raise_callback( GtkWidget *widget, GdkEventButton *event, gpointer func_data )
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{
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if ( GTK_IS_TREE_ITEM( widget ) &&
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event->type==GDK_2BUTTON_PRESS )
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{
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open_or_raise( GTK_LABEL( GTK_BIN( widget )->child )->label );
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}
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return FALSE;
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}
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void raise_idea_callback( GtkWidget *widget, gpointer data )
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{
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if ( ideas )
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gdk_window_raise( ideas->window->window );
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else
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open_idea_window();
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}
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static void check_needed( gpointer data, gpointer user_data )
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{
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GtkWidget *widget = (GtkWidget *) data;
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struct bool_char_pair *pair = (struct bool_char_pair *) user_data;
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if ( strcmp( pair->string, GTK_LABEL( GTK_BIN( widget )->child )->label ) == 0 )
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{
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pair->boole = TRUE;
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}
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}
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static void check_needed_list( gpointer data, gpointer user_data )
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{
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struct bool_char_pair *pair = (struct bool_char_pair *) user_data;
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if ( strcmp( pair->string, (gchar *) data ) == 0 )
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{
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pair->boole = TRUE;
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}
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}
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void idea_add( gchar *title )
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{
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idea_add_in_position( title, 0 );
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}
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static void idea_add_in_position_with_select( gchar *title, gint position, gboolean select )
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{
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GtkWidget *treeitem;
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struct bool_char_pair pair;
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pair.boole = FALSE;
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pair.string = title;
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if ( ideas )
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{
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g_list_foreach( GTK_TREE( ideas->tree )->children, check_needed, &pair );
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if ( ! pair.boole )
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{
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treeitem = gtk_tree_item_new_with_label( title );
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if ( position < 0 )
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gtk_tree_append( GTK_TREE( ideas->tree ), treeitem );
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else
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gtk_tree_insert( GTK_TREE( ideas->tree ), treeitem, position );
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gtk_signal_connect( GTK_OBJECT( treeitem ),
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"button_press_event",
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GTK_SIGNAL_FUNC( open_or_raise_callback ),
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NULL );
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docindex_cell_configure_drop_on_widget( treeitem );
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gtk_widget_show( treeitem );
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if ( select )
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gtk_tree_select_item( GTK_TREE( ideas->tree ), gtk_tree_child_position( GTK_TREE( ideas->tree ), treeitem ) );
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}
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}
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else
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{
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if( ! idea_list )
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{
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FILE *fp = NULL;
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gchar *desktopfile;
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gchar *home_dir;
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home_dir = getenv( "HOME" );
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/* open persistant desktop file. */
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desktopfile = append2( home_dir, FALSE, IDEAPATH, FALSE );
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fp = fopen( desktopfile, "rb" );
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g_free( desktopfile );
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/* Read in persistant desktop information. */
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if ( fp )
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{
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gchar *title;
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gint length;
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x = getinteger( fp );
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y = getinteger( fp );
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width = getinteger( fp );
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height = getinteger( fp );
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clear_white( fp );
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while ( ! feof( fp ) && !ferror( fp ) )
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{
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length = getinteger( fp );
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title = g_malloc0( length + 1 );
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title[fread( title, 1, length, fp )] = 0;
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idea_list = g_list_append( idea_list, g_strdup( title ) );
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g_free( title );
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clear_white( fp );
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}
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fclose( fp );
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}
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}
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g_list_foreach( idea_list, check_needed_list, &pair );
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if ( ! pair.boole )
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{
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if ( position < 0 )
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idea_list = g_list_append( idea_list, g_strdup( title ) );
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else
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idea_list = g_list_insert( idea_list, g_strdup( title ), position );
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}
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}
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}
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void idea_add_in_position( gchar *title, gint position )
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{
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idea_add_in_position_with_select( title, position, TRUE );
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}
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static gint idea_move( GtkWidget *widget, gint distance, gboolean select )
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{
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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;
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gchar *title;
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if( position < 0 )
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position = 0;
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if ( position >= g_list_length( GTK_TREE( ideas->tree )->children ) )
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position = g_list_length( GTK_TREE( ideas->tree )->children ) - 1;
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if ( position != orig_position )
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{
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title = g_strdup( GTK_LABEL( GTK_BIN( widget )->child )->label );
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gtk_container_remove( GTK_CONTAINER( ideas->tree ), widget );
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idea_add_in_position_with_select( title, position, select );
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g_free( title );
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}
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return position - orig_position;
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}
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static void idea_remove( GtkWidget *widget )
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{
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gint position = g_list_index( GTK_TREE( ideas->tree )->children, widget );
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gtk_container_remove( GTK_CONTAINER( ideas->tree ), widget );
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if ( g_list_length( GTK_TREE( ideas->tree )->children ) - 1 < position )
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position = g_list_length( GTK_TREE( ideas->tree )->children ) - 1;
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gtk_tree_select_item( GTK_TREE( ideas->tree ), position );
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}
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void idea_up_callback( GtkWidget *widget, gpointer data )
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{
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GtkWidget *selected;
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if ( GTK_TREE( ideas->tree )->selection )
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{
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selected = GTK_TREE( ideas->tree )->selection->data;
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if ( idea_move( selected, -1, TRUE ) != -1 )
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gtk_statusbar_push( GTK_STATUSBAR( ideas->status ), ideas->contextid, _("This file cannot be moved up.") );
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}
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else
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gtk_statusbar_push( GTK_STATUSBAR( ideas->status ), ideas->contextid, _("There's no selection to move up.") );
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}
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void idea_down_callback( GtkWidget *widget, gpointer data )
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{
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GtkWidget *selected;
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if ( GTK_TREE( ideas->tree )->selection )
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{
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selected = GTK_TREE( ideas->tree )->selection->data;
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if ( idea_move( selected, 1, TRUE ) != 1 )
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gtk_statusbar_push( GTK_STATUSBAR( ideas->status ), ideas->contextid, _("This file cannot be moved down.") );
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}
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else
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gtk_statusbar_push( GTK_STATUSBAR( ideas->status ), ideas->contextid, _("There's no selection to move down.") );
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}
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void idea_remove_callback( GtkWidget *widget, gpointer data )
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{
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GtkWidget *selected;
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if ( GTK_TREE( ideas->tree )->selection )
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{
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selected = GTK_TREE( ideas->tree )->selection->data;
|
|
idea_remove( selected );
|
|
}
|
|
else
|
|
gtk_statusbar_push( GTK_STATUSBAR( ideas->status ), ideas->contextid, _("There's no selection to remove.") );
|
|
}
|
|
|
|
void
|
|
close_idea_window( void )
|
|
{
|
|
idea_hide_callback( NULL, NULL );
|
|
}
|
|
|