gimp/app/gui/gui.c

564 lines
13 KiB
C

/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include <stdlib.h>
#include <stdio.h>
#include <gtk/gtk.h>
#include "libgimpbase/gimpbase.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "gui-types.h"
#include "core/gimp.h"
#include "core/gimpcontainer.h"
#include "core/gimpcontext.h"
#include "core/gimpdatafiles.h"
#include "core/gimpimage.h"
#include "display/gimpdisplay.h"
#include "display/gimpdisplay-foreach.h"
#include "display/gimpdisplayshell.h"
#include "display/gimpdisplayshell-filter.h"
#include "display/gimpdisplayshell-render.h"
#include "widgets/gimpdevices.h"
#include "widgets/gimpdialogfactory.h"
#include "widgets/gimpitemfactory.h"
#include "widgets/gimpwidgets-utils.h"
#include "color-select.h"
#include "device-status-dialog.h"
#include "dialogs.h"
#include "dialogs-commands.h"
#include "error-console-dialog.h"
#include "file-open-dialog.h"
#include "file-save-dialog.h"
#include "gui.h"
#include "menus.h"
#include "session.h"
#include "gimprc.h"
#include "libgimp/gimpintl.h"
#include "pixmaps/wilber2.xpm"
/* local function prototypes */
static void gui_main (Gimp *gimp);
static void gui_main_quit (Gimp *gimp);
static void gui_set_busy (Gimp *gimp);
static void gui_unset_busy (Gimp *gimp);
static void gui_message (Gimp *gimp,
const gchar *message);
static GimpObject * gui_display_new (GimpImage *gimage,
guint scale);
static void gui_themes_dir_foreach_func (const gchar *filename,
gpointer loader_data);
static gint gui_rotate_the_shield_harmonics (GtkWidget *widget,
GdkEvent *eevent,
gpointer data);
static void gui_really_quit_callback (GtkWidget *button,
gboolean quit,
gpointer data);
static void gui_display_changed (GimpContext *context,
GimpDisplay *display,
gpointer data);
static void gui_image_disconnect (GimpImage *gimage,
gpointer data);
/* private variables */
static GQuark image_disconnect_handler_id = 0;
static GHashTable *themes_hash = NULL;
/* public functions */
void
gui_libs_init (gint *argc,
gchar ***argv)
{
#ifdef HAVE_PUTENV
gchar *display_env;
#endif
g_return_if_fail (argc != NULL);
g_return_if_fail (argv != NULL);
gtk_init (argc, argv);
#ifdef HAVE_PUTENV
display_env = g_strconcat ("DISPLAY=", gdk_get_display (), NULL);
putenv (display_env);
#endif
gimp_widgets_init ();
}
void
gui_themes_init (Gimp *gimp)
{
const gchar *theme_dir;
gchar *gtkrc;
g_return_if_fail (GIMP_IS_GIMP (gimp));
themes_hash = g_hash_table_new_full (g_str_hash,
g_str_equal,
g_free,
g_free);
if (gimprc.theme_path)
{
gimp_datafiles_read_directories (gimprc.theme_path,
TYPE_DIRECTORY,
gui_themes_dir_foreach_func,
gimp);
}
theme_dir = gui_themes_get_theme_dir (gimp);
if (theme_dir)
{
gtkrc = g_build_filename (theme_dir, "gtkrc", NULL);
}
else
{
/* get the hardcoded default theme gtkrc */
gtkrc = g_strdup (gimp_gtkrc ());
}
if (gimp->be_verbose)
g_print (_("Parsing '%s'\n"), gtkrc);
gtk_rc_parse (gtkrc);
g_free (gtkrc);
/* parse the user gtkrc */
gtkrc = gimp_personal_rc_file ("gtkrc");
if (gimp->be_verbose)
g_print (_("Parsing '%s'\n"), gtkrc);
gtk_rc_parse (gtkrc);
g_free (gtkrc);
/* tooltips */
gimp_help_init ();
if (! gimprc.show_tool_tips)
gimp_help_disable_tooltips ();
gimprc.min_colors = CLAMP (gimprc.min_colors, 27, 256);
gdk_rgb_set_min_colors (gimprc.min_colors);
gdk_rgb_set_install (gimprc.install_cmap);
gtk_widget_set_default_colormap (gdk_rgb_get_colormap ());
}
const gchar *
gui_themes_get_theme_dir (Gimp *gimp)
{
if (gimprc.theme)
return g_hash_table_lookup (themes_hash, gimprc.theme);
return g_hash_table_lookup (themes_hash, "Default");
}
void
gui_init (Gimp *gimp)
{
g_return_if_fail (GIMP_IS_GIMP (gimp));
gimp->gui_main_loop_func = gui_main;
gimp->gui_main_loop_quit_func = gui_main_quit;
gimp->gui_set_busy_func = gui_set_busy;
gimp->gui_unset_busy_func = gui_unset_busy;
gimp->gui_message_func = gui_message;
gimp->gui_create_display_func = gui_display_new;
image_disconnect_handler_id =
gimp_container_add_handler (gimp->images, "disconnect",
G_CALLBACK (gui_image_disconnect),
gimp);
g_signal_connect (G_OBJECT (gimp_get_user_context (gimp)), "display_changed",
G_CALLBACK (gui_display_changed),
gimp);
/* make sure the monitor resolution is valid */
if (gimprc.monitor_xres < GIMP_MIN_RESOLUTION ||
gimprc.monitor_yres < GIMP_MIN_RESOLUTION)
{
gui_get_screen_resolution (&gimprc.monitor_xres, &gimprc.monitor_yres);
gimprc.using_xserver_resolution = TRUE;
}
menus_init (gimp);
color_display_init ();
render_setup (gimprc.transparency_type, gimprc.transparency_size);
dialogs_init (gimp);
gimp_devices_init (gimp, device_status_dialog_update_current);
session_init (gimp);
}
void
gui_restore (Gimp *gimp,
gboolean restore_session)
{
g_return_if_fail (GIMP_IS_GIMP (gimp));
gimp->message_handler = GIMP_MESSAGE_BOX;
file_open_dialog_menu_init (gimp);
file_save_dialog_menu_init (gimp);
menus_restore (gimp);
color_select_init ();
gimp_devices_restore (gimp);
if (gimprc.always_restore_session || restore_session)
session_restore (gimp);
dialogs_show_toolbox ();
}
void
gui_post_init (Gimp *gimp)
{
g_return_if_fail (GIMP_IS_GIMP (gimp));
if (gimprc.show_tips)
{
gimp_dialog_factory_dialog_new (global_dialog_factory,
"gimp:tips-dialog", -1);
}
}
void
gui_shutdown (Gimp *gimp)
{
g_return_if_fail (GIMP_IS_GIMP (gimp));
gimp->message_handler = GIMP_CONSOLE;
session_save (gimp);
if (gimprc.save_device_status)
gimp_devices_save (gimp);
gdisplays_delete ();
}
void
gui_exit (Gimp *gimp)
{
g_return_if_fail (GIMP_IS_GIMP (gimp));
menus_exit (gimp);
render_free ();
dialogs_exit (gimp);
gimp_devices_exit (gimp);
gimp_help_free ();
gimp_container_remove_handler (gimp->images, image_disconnect_handler_id);
image_disconnect_handler_id = 0;
if (themes_hash)
{
g_hash_table_destroy (themes_hash);
themes_hash = NULL;
}
}
void
gui_get_screen_resolution (gdouble *xres,
gdouble *yres)
{
gint width, height;
gint widthMM, heightMM;
g_return_if_fail (xres != NULL);
g_return_if_fail (yres != NULL);
width = gdk_screen_width ();
height = gdk_screen_height ();
widthMM = gdk_screen_width_mm ();
heightMM = gdk_screen_height_mm ();
/*
* From xdpyinfo.c:
*
* there are 2.54 centimeters to an inch; so there are 25.4 millimeters.
*
* dpi = N pixels / (M millimeters / (25.4 millimeters / 1 inch))
* = N pixels / (M inch / 25.4)
* = N * 25.4 pixels / M inch
*/
*xres = (width * 25.4) / ((gdouble) widthMM);
*yres = (height * 25.4) / ((gdouble) heightMM);
}
void
gui_really_quit_dialog (GCallback quit_func)
{
GtkWidget *dialog;
gimp_menu_item_set_sensitive ("<Toolbox>/File/Quit", FALSE);
gimp_menu_item_set_sensitive ("<Image>/File/Quit", FALSE);
dialog = gimp_query_boolean_box (_("Quit The GIMP?"),
gimp_standard_help_func,
"dialogs/really_quit.html",
GIMP_STOCK_WILBER_EEK,
_("Some files are unsaved.\n"
"\nReally quit The GIMP?"),
GTK_STOCK_QUIT, GTK_STOCK_CANCEL,
NULL, NULL,
gui_really_quit_callback,
quit_func);
gtk_widget_show (dialog);
}
/* private functions */
static void
gui_main (Gimp *gimp)
{
gtk_main ();
}
static void
gui_main_quit (Gimp *gimp)
{
gtk_main_quit ();
}
static void
gui_set_busy (Gimp *gimp)
{
gdisplays_set_busy ();
gimp_dialog_factories_idle ();
gdk_flush ();
}
static void
gui_unset_busy (Gimp *gimp)
{
gdisplays_unset_busy ();
gimp_dialog_factories_unidle ();
gdk_flush ();
}
static void
gui_message (Gimp *gimp,
const gchar *message)
{
switch (gimp->message_handler)
{
case GIMP_MESSAGE_BOX:
gimp_message_box (message, NULL, NULL);
break;
case GIMP_ERROR_CONSOLE:
gimp_dialog_factory_dialog_raise (global_dock_factory,
"gimp:error-console", -1);
error_console_add (gimp, message);
break;
default:
break;
}
}
gboolean double_speed = FALSE;
static GimpObject *
gui_display_new (GimpImage *gimage,
guint scale)
{
GimpDisplay *gdisp;
gdisp = gimp_display_new (gimage, scale);
gimp_context_set_display (gimp_get_user_context (gimage->gimp), gdisp);
if (double_speed)
{
GimpDisplayShell *shell;
shell = GIMP_DISPLAY_SHELL (gdisp->shell);
g_signal_connect_after (G_OBJECT (shell->canvas), "expose_event",
G_CALLBACK (gui_rotate_the_shield_harmonics),
NULL);
}
return GIMP_OBJECT (gdisp);
}
static void
gui_themes_dir_foreach_func (const gchar *filename,
gpointer loader_data)
{
Gimp *gimp;
gchar *basename;
gimp = (Gimp *) loader_data;
basename = g_path_get_basename (filename);
if (gimp->be_verbose)
g_print (_("Adding theme '%s' (%s)\n"), basename, filename);
g_hash_table_insert (themes_hash,
basename,
g_strdup (filename));
}
static gint
gui_rotate_the_shield_harmonics (GtkWidget *widget,
GdkEvent *eevent,
gpointer data)
{
GdkPixmap *pixmap = NULL;
GdkBitmap *mask = NULL;
gint width = 0;
gint height = 0;
g_signal_handlers_disconnect_by_func (G_OBJECT (widget),
gui_rotate_the_shield_harmonics,
data);
pixmap = gdk_pixmap_create_from_xpm_d (widget->window,
&mask,
NULL,
wilber2_xpm);
gdk_drawable_get_size (pixmap, &width, &height);
if (widget->allocation.width >= width &&
widget->allocation.height >= height)
{
gint x, y;
x = (widget->allocation.width - width) / 2;
y = (widget->allocation.height - height) / 2;
gdk_gc_set_clip_mask (widget->style->black_gc, mask);
gdk_gc_set_clip_origin (widget->style->black_gc, x, y);
gdk_draw_drawable (widget->window,
widget->style->black_gc,
pixmap, 0, 0,
x, y,
width, height);
gdk_gc_set_clip_mask (widget->style->black_gc, NULL);
gdk_gc_set_clip_origin (widget->style->black_gc, 0, 0);
}
g_object_unref (pixmap);
g_object_unref (mask);
return FALSE;
}
static void
gui_really_quit_callback (GtkWidget *button,
gboolean quit,
gpointer data)
{
GCallback quit_func;
quit_func = G_CALLBACK (data);
if (quit)
{
(* quit_func) ();
}
else
{
gimp_menu_item_set_sensitive ("<Toolbox>/File/Quit", TRUE);
gimp_menu_item_set_sensitive ("<Image>/File/Quit", TRUE);
}
}
/* FIXME: this junk should mostly go to the display subsystem */
static void
gui_display_changed (GimpContext *context,
GimpDisplay *display,
gpointer data)
{
Gimp *gimp;
gimp = (Gimp *) data;
if (display)
gimp_display_shell_set_menu_sensitivity (GIMP_DISPLAY_SHELL (display->shell));
else
gimp_display_shell_set_menu_sensitivity (NULL);
}
static void
gui_image_disconnect (GimpImage *gimage,
gpointer data)
{
Gimp *gimp;
gimp = (Gimp *) data;
/* check if this is the last image */
if (gimp_container_num_children (gimp->images) == 1)
{
dialogs_show_toolbox ();
}
}