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gimp/app/display/gimpdisplayshell-draw.c

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/* 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 <gtk/gtk.h>
#include "libgimpbase/gimpbase.h"
#include "libgimpcolor/gimpcolor.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "display-types.h"
#include "core/gimp.h"
#include "core/gimpbuffer.h"
#include "core/gimpcontext.h"
#include "core/gimpcontainer.h"
#include "core/gimpimage.h"
#include "core/gimpimage-guides.h"
#include "core/gimpimage-mask.h"
#include "core/gimpimage-new.h"
#include "core/gimplayer.h"
#include "core/gimplayermask.h"
#include "core/gimppattern.h"
#include "plug-in/plug-in.h"
#include "widgets/gimpcolorpanel.h"
#include "widgets/gimpcursor.h"
#include "widgets/gimpdnd.h"
#include "widgets/gimpitemfactory.h"
#include "widgets/gimpwidgets-utils.h"
#include "gui/gui-types.h" /* FIXME */
#include "gui/info-window.h"
#include "tools/tools-types.h"
#include "tools/tool_manager.h"
#include "gimpdisplay.h"
#include "gimpdisplay-area.h"
#include "gimpdisplayshell.h"
#include "gimpdisplayshell-callbacks.h"
#include "gimpdisplayshell-dnd.h"
#include "gimpdisplayshell-filter.h"
#include "gimpdisplayshell-handlers.h"
#include "gimpdisplayshell-render.h"
#include "gimpdisplayshell-selection.h"
#include "gimpstatusbar.h"
#include "gimprc.h"
#include "nav_window.h"
#include "undo.h"
#include "libgimp/gimpintl.h"
#define MAX_TITLE_BUF 256
/* local function prototypes */
static void gimp_display_shell_class_init (GimpDisplayShellClass *klass);
static void gimp_display_shell_init (GimpDisplayShell *shell);
static void gimp_display_shell_destroy (GtkObject *object);
static gboolean gimp_display_shell_delete_event (GtkWidget *widget,
GdkEventAny *aevent);
static gpointer gimp_display_shell_get_accel_context (gpointer data);
static void gimp_display_shell_display_area (GimpDisplayShell *shell,
gint x,
gint y,
gint w,
gint h);
static void gimp_display_shell_real_set_cursor (GimpDisplayShell *shell,
GdkCursorType cursor_type,
GimpToolCursorType tool_cursor,
GimpCursorModifier modifier,
gboolean always_install);
static void gimp_display_shell_draw_cursor (GimpDisplayShell *shell);
static void gimp_display_shell_format_title (GimpDisplayShell *gdisp,
gchar *title,
gint title_len,
const gchar *format);
static void gimp_display_shell_close_warning_dialog (GimpDisplayShell *shell,
const gchar *image_name);
static void gimp_display_shell_close_warning_callback (GtkWidget *widget,
gboolean close,
gpointer data);
static GtkWindowClass *parent_class = NULL;
static GtkTargetEntry display_target_table[] =
{
GIMP_TARGET_LAYER,
GIMP_TARGET_CHANNEL,
GIMP_TARGET_LAYER_MASK,
GIMP_TARGET_COLOR,
GIMP_TARGET_PATTERN,
GIMP_TARGET_BUFFER
};
GType
gimp_display_shell_get_type (void)
{
static GType shell_type = 0;
if (! shell_type)
{
static const GTypeInfo shell_info =
{
sizeof (GimpDisplayShellClass),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) gimp_display_shell_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (GimpDisplayShell),
0, /* n_preallocs */
(GInstanceInitFunc) gimp_display_shell_init,
};
shell_type = g_type_register_static (GTK_TYPE_WINDOW,
"GimpDisplayShell",
&shell_info, 0);
}
return shell_type;
}
static void
gimp_display_shell_class_init (GimpDisplayShellClass *klass)
{
GtkObjectClass *object_class;
GtkWidgetClass *widget_class;
object_class = GTK_OBJECT_CLASS (klass);
widget_class = GTK_WIDGET_CLASS (klass);
parent_class = g_type_class_peek_parent (klass);
object_class->destroy = gimp_display_shell_destroy;
widget_class->delete_event = gimp_display_shell_delete_event;
}
static void
gimp_display_shell_init (GimpDisplayShell *shell)
{
shell->gdisp = NULL;
shell->item_factory = NULL;
shell->offset_x = 0;
shell->offset_y = 0;
shell->disp_width = 0;
shell->disp_height = 0;
shell->disp_xoffset = 0;
shell->disp_yoffset = 0;
shell->proximity = FALSE;
shell->select = NULL;
shell->display_areas = NULL;
shell->hsbdata = NULL;
shell->vsbdata = NULL;
shell->canvas = NULL;
shell->hsb = NULL;
shell->vsb = NULL;
shell->qmask = NULL;
shell->hrule = NULL;
shell->vrule = NULL;
shell->origin = NULL;
shell->statusbar = NULL;
shell->render_buf = g_malloc (GIMP_DISPLAY_SHELL_RENDER_BUF_WIDTH *
GIMP_DISPLAY_SHELL_RENDER_BUF_HEIGHT *
3);
shell->render_gc = NULL;
shell->title_dirty = FALSE;
shell->icon_size = 32;
shell->icon_idle_id = 0;
shell->current_cursor = (GdkCursorType) -1;
shell->tool_cursor = GIMP_TOOL_CURSOR_NONE;
shell->cursor_modifier = GIMP_CURSOR_MODIFIER_NONE;
shell->override_cursor = (GdkCursorType) -1;
shell->using_override_cursor = FALSE;
shell->draw_cursor = FALSE;
shell->have_cursor = FALSE;
shell->cursor_x = 0;
shell->cursor_y = 0;
shell->padding_button = NULL;
gimp_rgb_set (&shell->padding_color, 1.0, 1.0, 1.0);
shell->padding_gc = NULL;
shell->warning_dialog = NULL;
shell->info_dialog = NULL;
shell->nav_dialog = NULL;
shell->nav_popup = NULL;
shell->filters = NULL;
shell->filters_dialog = NULL;
gtk_window_set_wmclass (GTK_WINDOW (shell), "image_window", "Gimp");
gtk_window_set_resizable (GTK_WINDOW (shell), TRUE);
gtk_widget_set_events (GTK_WIDGET (shell), (GDK_POINTER_MOTION_MASK |
GDK_POINTER_MOTION_HINT_MASK |
GDK_BUTTON_PRESS_MASK |
GDK_KEY_PRESS_MASK |
GDK_KEY_RELEASE_MASK));
/* active display callback */
g_signal_connect (G_OBJECT (shell), "button_press_event",
G_CALLBACK (gimp_display_shell_events),
shell);
g_signal_connect (G_OBJECT (shell), "key_press_event",
G_CALLBACK (gimp_display_shell_events),
shell);
/* dnd stuff */
gtk_drag_dest_set (GTK_WIDGET (shell),
GTK_DEST_DEFAULT_ALL,
display_target_table,
G_N_ELEMENTS (display_target_table),
GDK_ACTION_COPY);
gimp_dnd_viewable_dest_set (GTK_WIDGET (shell), GIMP_TYPE_LAYER,
gimp_display_shell_drop_drawable,
shell);
gimp_dnd_viewable_dest_set (GTK_WIDGET (shell), GIMP_TYPE_LAYER_MASK,
gimp_display_shell_drop_drawable,
shell);
gimp_dnd_viewable_dest_set (GTK_WIDGET (shell), GIMP_TYPE_CHANNEL,
gimp_display_shell_drop_drawable,
shell);
gimp_dnd_viewable_dest_set (GTK_WIDGET (shell), GIMP_TYPE_PATTERN,
gimp_display_shell_drop_pattern,
shell);
gimp_dnd_viewable_dest_set (GTK_WIDGET (shell), GIMP_TYPE_BUFFER,
gimp_display_shell_drop_buffer,
shell);
gimp_dnd_color_dest_set (GTK_WIDGET (shell),
gimp_display_shell_drop_color,
shell);
/* connect the "F1" help key */
gimp_help_connect (GTK_WIDGET (shell),
gimp_standard_help_func,
"image/image_window.html");
}
static void
gimp_display_shell_destroy (GtkObject *object)
{
GimpDisplayShell *shell;
shell = GIMP_DISPLAY_SHELL (object);
if (shell->gdisp)
{
gimp_display_shell_disconnect (shell);
}
if (shell->select)
{
gimp_display_shell_selection_free (shell->select);
shell->select = NULL;
}
shell->display_areas = gimp_display_area_list_free (shell->display_areas);
gimp_display_shell_filter_detach_all (shell);
if (shell->render_buf)
{
g_free (shell->render_buf);
shell->render_buf = NULL;
}
if (shell->render_gc)
{
g_object_unref (shell->render_gc);
shell->render_gc = NULL;
}
if (shell->padding_gc)
{
g_object_unref (G_OBJECT (shell->padding_gc));
shell->padding_gc = NULL;
}
if (shell->info_dialog)
{
info_window_free (shell->info_dialog);
shell->info_dialog = NULL;
}
if (shell->nav_dialog)
{
nav_dialog_free (shell->gdisp, shell->nav_dialog);
shell->nav_dialog = NULL;
}
if (shell->nav_popup)
{
nav_dialog_free (shell->gdisp, shell->nav_popup);
shell->nav_popup = NULL;
}
shell->gdisp = NULL;
GTK_OBJECT_CLASS (parent_class)->destroy (object);
}
static gboolean
gimp_display_shell_delete_event (GtkWidget *widget,
GdkEventAny *aevent)
{
GimpDisplayShell *shell;
shell = GIMP_DISPLAY_SHELL (widget);
gimp_display_shell_close (shell, FALSE);
return TRUE;
}
GtkWidget *
gimp_display_shell_new (GimpDisplay *gdisp)
{
GimpDisplayShell *shell;
GtkWidget *main_vbox;
GtkWidget *disp_vbox;
GtkWidget *upper_hbox;
GtkWidget *right_vbox;
GtkWidget *lower_hbox;
GtkWidget *inner_table;
GtkWidget *arrow;
GtkWidget *image;
GtkWidget *nav_ebox;
gint image_width, image_height;
gint n_width, n_height;
gint s_width, s_height;
gint scalesrc, scaledest;
g_return_val_if_fail (GIMP_IS_DISPLAY (gdisp), NULL);
image_width = gdisp->gimage->width;
image_height = gdisp->gimage->height;
/* adjust the initial scale -- so that window fits on screen
* the 75% value is the same as in gdisplay_shrink_wrap. It
* probably should be a user-configurable option.
*/
s_width = gdk_screen_width () * 0.75;
s_height = gdk_screen_height () * 0.75;
scalesrc = SCALESRC (gdisp);
scaledest = SCALEDEST (gdisp);
n_width = SCALEX (gdisp, image_width);
n_height = SCALEX (gdisp, image_height);
/* Limit to the size of the screen... */
while (n_width > s_width || n_height > s_height)
{
if (scaledest > 1)
scaledest--;
else
if (scalesrc < 0xff)
scalesrc++;
n_width = image_width *
(scaledest * SCREEN_XRES (gdisp)) / (scalesrc * gdisp->gimage->xresolution);
n_height = image_height *
(scaledest * SCREEN_XRES (gdisp)) / (scalesrc * gdisp->gimage->xresolution);
}
gdisp->scale = (scaledest << 8) + scalesrc;
/* the toplevel shell */
shell = g_object_new (GIMP_TYPE_DISPLAY_SHELL, NULL);
shell->gdisp = gdisp;
shell->item_factory = gimp_item_factory_from_path ("<Image>");
/* The accelerator table for images */
gimp_window_add_accel_group (GTK_WINDOW (shell),
GTK_ITEM_FACTORY (shell->item_factory),
gimp_display_shell_get_accel_context,
shell);
/* GtkTable widgets are not able to shrink a row/column correctly if
* widgets are attached with GTK_EXPAND even if those widgets have
* other rows/columns in their rowspan/colspan where they could
* nicely expand without disturbing the row/column which is supposed
* to shrink. --Mitch
*
* Changed the packing to use hboxes and vboxes which behave nicer:
*
* main_vbox
* |
* +-- disp_vbox
* | |
* | +-- upper_hbox
* | | |
* | | +-- inner_table
* | | | |
* | | | +-- origin
* | | | +-- hruler
* | | | +-- vruler
* | | | +-- canvas
* | | |
* | | +-- right_vbox
* | | |
* | | +-- padding_button
* | | +-- vscrollbar
* | |
* | +-- lower_hbox
* | |
* | +-- qmask
* | +-- hscrollbar
* | +-- navbutton
* |
* +-- statusbar
*/
/* first, set up the container hierarchy *********************************/
/* the vbox containing all widgets */
main_vbox = gtk_vbox_new (FALSE, 2);
gtk_container_set_border_width (GTK_CONTAINER (main_vbox), 2);
gtk_container_add (GTK_CONTAINER (shell), main_vbox);
/* another vbox for everything except the statusbar */
disp_vbox = gtk_vbox_new (FALSE, 1);
gtk_box_pack_start (GTK_BOX (main_vbox), disp_vbox, TRUE, TRUE, 0);
gtk_widget_show (disp_vbox);
/* a hbox for the inner_table and the vertical scrollbar */
upper_hbox = gtk_hbox_new (FALSE, 1);
gtk_box_pack_start (GTK_BOX (disp_vbox), upper_hbox, TRUE, TRUE, 0);
gtk_widget_show (upper_hbox);
/* the table containing origin, rulers and the canvas */
inner_table = gtk_table_new (2, 2, FALSE);
gtk_table_set_col_spacing (GTK_TABLE (inner_table), 0, 1);
gtk_table_set_row_spacing (GTK_TABLE (inner_table), 0, 1);
gtk_box_pack_start (GTK_BOX (upper_hbox), inner_table, TRUE, TRUE, 0);
gtk_widget_show (inner_table);
/* the vbox containing the color button and the vertical scrollbar */
right_vbox = gtk_vbox_new (FALSE, 1);
gtk_box_pack_start (GTK_BOX (upper_hbox), right_vbox, FALSE, FALSE, 0);
gtk_widget_show (right_vbox);
/* the hbox containing qmask button, vertical scrollbar and nav button */
lower_hbox = gtk_hbox_new (FALSE, 1);
gtk_box_pack_start (GTK_BOX (disp_vbox), lower_hbox, FALSE, FALSE, 0);
gtk_widget_show (lower_hbox);
/* create the scrollbars *************************************************/
/* the horizontal scrollbar */
shell->hsbdata =
GTK_ADJUSTMENT (gtk_adjustment_new (0, 0, image_width, 1, 1, image_width));
shell->hsb = gtk_hscrollbar_new (shell->hsbdata);
GTK_WIDGET_UNSET_FLAGS (shell->hsb, GTK_CAN_FOCUS);
/* the vertical scrollbar */
shell->vsbdata =
GTK_ADJUSTMENT (gtk_adjustment_new (0, 0, image_height, 1, 1, image_height));
shell->vsb = gtk_vscrollbar_new (shell->vsbdata);
GTK_WIDGET_UNSET_FLAGS (shell->vsb, GTK_CAN_FOCUS);
/* create the contents of the inner_table ********************************/
/* the menu popup button */
shell->origin = gtk_button_new ();
GTK_WIDGET_UNSET_FLAGS (shell->origin, GTK_CAN_FOCUS);
gtk_widget_set_events (GTK_WIDGET (shell->origin),
GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK);
g_signal_connect (G_OBJECT (shell->origin), "button_press_event",
G_CALLBACK (gimp_display_shell_origin_button_press),
shell);
gimp_help_set_help_data (shell->origin, NULL, "#origin_button");
arrow = gtk_arrow_new (GTK_ARROW_RIGHT, GTK_SHADOW_OUT);
gtk_container_set_border_width (GTK_CONTAINER (shell->origin), 0);
gtk_container_add (GTK_CONTAINER (shell->origin), arrow);
gtk_widget_show (arrow);
/* the horizontal ruler */
shell->hrule = gtk_hruler_new ();
gtk_widget_set_events (GTK_WIDGET (shell->hrule),
GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK);
g_signal_connect_swapped (G_OBJECT (shell), "motion_notify_event",
G_CALLBACK (GTK_WIDGET_GET_CLASS (shell->hrule)->motion_notify_event),
shell->hrule);
g_signal_connect (G_OBJECT (shell->hrule), "button_press_event",
G_CALLBACK (gimp_display_shell_hruler_button_press),
shell);
gimp_help_set_help_data (shell->hrule, NULL, "#ruler");
/* the vertical ruler */
shell->vrule = gtk_vruler_new ();
gtk_widget_set_events (GTK_WIDGET (shell->vrule),
GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK);
g_signal_connect_swapped (G_OBJECT (shell), "motion_notify_event",
G_CALLBACK (GTK_WIDGET_GET_CLASS (shell->vrule)->motion_notify_event),
shell->vrule);
g_signal_connect (G_OBJECT (shell->vrule), "button_press_event",
G_CALLBACK (gimp_display_shell_vruler_button_press),
shell);
gimp_help_set_help_data (shell->vrule, NULL, "#ruler");
/* the canvas */
shell->canvas = gtk_drawing_area_new ();
gtk_widget_set_name (shell->canvas, "gimp-canvas");
gtk_widget_set_size_request (shell->canvas, n_width, n_height);
gtk_widget_set_events (shell->canvas, GIMP_DISPLAY_SHELL_CANVAS_EVENT_MASK);
gtk_widget_set_extension_events (shell->canvas, GDK_EXTENSION_EVENTS_ALL);
GTK_WIDGET_SET_FLAGS (shell->canvas, GTK_CAN_FOCUS);
g_signal_connect (G_OBJECT (shell->canvas), "realize",
G_CALLBACK (gimp_display_shell_canvas_realize),
shell);
/* set the active display before doing any other canvas event processing */
g_signal_connect (G_OBJECT (shell->canvas), "event",
G_CALLBACK (gimp_display_shell_events),
shell);
g_signal_connect (G_OBJECT (shell->canvas), "expose_event",
G_CALLBACK (gimp_display_shell_canvas_expose),
shell);
g_signal_connect (G_OBJECT (shell->canvas), "configure_event",
G_CALLBACK (gimp_display_shell_canvas_configure),
shell);
g_signal_connect (G_OBJECT (shell->canvas), "focus_in_event",
G_CALLBACK (gimp_display_shell_canvas_focus_in),
shell);
g_signal_connect (G_OBJECT (shell->canvas), "focus_out_event",
G_CALLBACK (gimp_display_shell_canvas_focus_in),
shell);
g_signal_connect (G_OBJECT (shell->canvas), "event",
G_CALLBACK (gimp_display_shell_canvas_tool_events),
shell);
/* create the contents of the right_vbox *********************************/
shell->padding_button = gimp_color_panel_new (_("Set Canvas Padding Color"),
&shell->padding_color,
GIMP_COLOR_AREA_FLAT,
15, 15);
GTK_WIDGET_UNSET_FLAGS (shell->padding_button, GTK_CAN_FOCUS);
gimp_help_set_help_data (shell->padding_button,
_("Set canvas padding color"), "#padding_button");
g_signal_connect (G_OBJECT (shell->padding_button), "button_press_event",
G_CALLBACK (gimp_display_shell_color_button_press),
shell);
g_signal_connect (G_OBJECT (shell->padding_button), "color_changed",
G_CALLBACK (gimp_display_shell_color_button_changed),
shell);
{
static GtkItemFactoryEntry menu_items[] =
{
{ "/---", NULL, NULL, 0, "<Separator>"},
{ N_("/Default Color"), NULL,
gimp_display_shell_color_button_default, 0, NULL }
};
gtk_item_factory_create_items (GIMP_COLOR_BUTTON (shell->padding_button)->item_factory,
G_N_ELEMENTS (menu_items),
menu_items,
shell);
}
/* create the contents of the lower_hbox *********************************/
/* the qmask button */
shell->qmask = gtk_check_button_new ();
gtk_toggle_button_set_mode (GTK_TOGGLE_BUTTON (shell->qmask), FALSE);
gtk_widget_set_size_request (GTK_WIDGET (shell->qmask), 16, 16);
GTK_WIDGET_UNSET_FLAGS (shell->qmask, GTK_CAN_FOCUS);
if (gdisp->gimage->qmask_state)
{
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (shell->qmask), TRUE);
image = gtk_image_new_from_stock (GIMP_STOCK_QMASK_ON,
GTK_ICON_SIZE_MENU);
}
else
{
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (shell->qmask), FALSE);
image = gtk_image_new_from_stock (GIMP_STOCK_QMASK_OFF,
GTK_ICON_SIZE_MENU);
}
gtk_container_add (GTK_CONTAINER (shell->qmask), image);
gtk_widget_show (image);
gimp_help_set_help_data (shell->qmask,
_("Toggle QuickMask"), "#qmask_button");
g_signal_connect (G_OBJECT (shell->qmask), "toggled",
G_CALLBACK (gimp_display_shell_qmask_toggled),
shell);
g_signal_connect (G_OBJECT (shell->qmask), "button_press_event",
G_CALLBACK (gimp_display_shell_qmask_button_press),
shell);
/* the navigation window button */
nav_ebox = gtk_event_box_new ();
image = gtk_image_new_from_stock (GIMP_STOCK_NAVIGATION, GTK_ICON_SIZE_MENU);
gtk_container_add (GTK_CONTAINER (nav_ebox), image);
gtk_widget_show (image);
g_signal_connect (G_OBJECT (nav_ebox), "button_press_event",
G_CALLBACK (nav_popup_click_handler),
gdisp);
gimp_help_set_help_data (nav_ebox, NULL, "#nav_window_button");
/* create the contents of the status area *********************************/
/* the statusbar */
shell->statusbar = gimp_statusbar_new (gdisp);
gtk_statusbar_set_has_resize_grip (GTK_STATUSBAR (shell->statusbar), FALSE);
gimp_help_set_help_data (shell->statusbar, NULL, "#status_area");
/* pack all the widgets **************************************************/
/* fill the inner_table */
gtk_table_attach (GTK_TABLE (inner_table), shell->origin, 0, 1, 0, 1,
GTK_FILL, GTK_FILL, 0, 0);
gtk_table_attach (GTK_TABLE (inner_table), shell->hrule, 1, 2, 0, 1,
GTK_EXPAND | GTK_SHRINK | GTK_FILL, GTK_FILL, 0, 0);
gtk_table_attach (GTK_TABLE (inner_table), shell->vrule, 0, 1, 1, 2,
GTK_FILL, GTK_EXPAND | GTK_SHRINK | GTK_FILL, 0, 0);
gtk_table_attach (GTK_TABLE (inner_table), shell->canvas, 1, 2, 1, 2,
GTK_EXPAND | GTK_SHRINK | GTK_FILL,
GTK_EXPAND | GTK_SHRINK | GTK_FILL, 0, 0);
/* fill the right_vbox */
gtk_box_pack_start (GTK_BOX (right_vbox), shell->padding_button,
FALSE, FALSE, 0);
gtk_box_pack_start (GTK_BOX (right_vbox), shell->vsb, TRUE, TRUE, 0);
/* fill the lower_hbox */
gtk_box_pack_start (GTK_BOX (lower_hbox), shell->qmask, FALSE, FALSE, 0);
gtk_box_pack_start (GTK_BOX (lower_hbox), shell->hsb, TRUE, TRUE, 0);
gtk_box_pack_start (GTK_BOX (lower_hbox), nav_ebox, FALSE, FALSE, 0);
gtk_box_pack_end (GTK_BOX (main_vbox), shell->statusbar, FALSE, FALSE, 0);
/* show everything *******************************************************/
if (gimprc.show_rulers)
{
gtk_widget_show (shell->origin);
gtk_widget_show (shell->hrule);
gtk_widget_show (shell->vrule);
}
gtk_widget_show (shell->canvas);
gtk_widget_show (shell->vsb);
gtk_widget_show (shell->hsb);
gtk_widget_show (shell->padding_button);
gtk_widget_show (shell->qmask);
gtk_widget_show (nav_ebox);
if (gimprc.show_statusbar)
{
gtk_widget_show (shell->statusbar);
}
gtk_widget_show (main_vbox);
gimp_display_shell_connect (shell);
return GTK_WIDGET (shell);
}
void
gimp_display_shell_close (GimpDisplayShell *shell,
gboolean kill_it)
{
GimpImage *gimage;
gimage = shell->gdisp->gimage;
/* FIXME: gimp_busy HACK not really appropriate here because we only
* want to prevent the busy image and display to be closed. --Mitch
*/
if (gimage->gimp->busy)
return;
/* If the image has been modified, give the user a chance to save
* it before nuking it--this only applies if its the last view
* to an image canvas. (a gimage with disp_count = 1)
*/
if (! kill_it &&
(gimage->disp_count == 1) &&
gimage->dirty &&
gimprc.confirm_on_close)
{
gchar *basename;
basename = g_path_get_basename (gimp_image_get_filename (gimage));
gimp_display_shell_close_warning_dialog (shell, basename);
g_free (basename);
}
else
{
gimp_display_delete (shell->gdisp);
}
}
void
gimp_display_shell_reconnect (GimpDisplayShell *shell)
{
g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
g_return_if_fail (GIMP_IS_DISPLAY (shell->gdisp));
g_return_if_fail (GIMP_IS_IMAGE (shell->gdisp->gimage));
gimp_display_shell_connect (shell);
gimp_statusbar_resize_cursor (GIMP_STATUSBAR (shell->statusbar));
gimp_display_shell_shrink_wrap (shell);
}
void
gimp_display_shell_transform_coords (GimpDisplayShell *shell,
GimpCoords *image_coords,
GimpCoords *display_coords)
{
gdouble scalex;
gdouble scaley;
g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
g_return_if_fail (image_coords != NULL);
g_return_if_fail (display_coords != NULL);
scalex = SCALEFACTOR_X (shell->gdisp);
scaley = SCALEFACTOR_Y (shell->gdisp);
display_coords->x = scalex * image_coords->x;
display_coords->y = scaley * image_coords->y;
display_coords->x += - shell->offset_x + shell->disp_xoffset;
display_coords->y += - shell->offset_y + shell->disp_yoffset;
}
void
gimp_display_shell_untransform_coords (GimpDisplayShell *shell,
GimpCoords *display_coords,
GimpCoords *image_coords)
{
gdouble scalex;
gdouble scaley;
g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
g_return_if_fail (display_coords != NULL);
g_return_if_fail (image_coords != NULL);
scalex = SCALEFACTOR_X (shell->gdisp);
scaley = SCALEFACTOR_Y (shell->gdisp);
image_coords->x = display_coords->x - shell->disp_xoffset + shell->offset_x;
image_coords->y = display_coords->y - shell->disp_yoffset + shell->offset_y;
image_coords->x /= scalex;
image_coords->y /= scaley;
}
void
gimp_display_shell_set_menu_sensitivity (GimpDisplayShell *shell)
{
GimpDisplay *gdisp = NULL;
GimpImage *gimage = NULL;
GimpImageBaseType base_type = 0;
GimpImageType type = -1;
GimpDrawable *drawable = NULL;
GimpLayer *layer = NULL;
GimpRGB fg;
GimpRGB bg;
gboolean fs = FALSE;
gboolean aux = FALSE;
gboolean lm = FALSE;
gboolean lp = FALSE;
gboolean sel = FALSE;
gboolean alpha = FALSE;
gint lind = -1;
gint lnum = -1;
g_return_if_fail (! shell || GIMP_IS_DISPLAY_SHELL (shell));
if (shell)
gdisp = shell->gdisp;
if (gdisp)
{
gimage = gdisp->gimage;
base_type = gimp_image_base_type (gimage);
fs = (gimp_image_floating_sel (gimage) != NULL);
aux = (gimp_image_get_active_channel (gimage) != NULL);
lp = ! gimp_image_is_empty (gimage);
sel = ! gimp_image_mask_is_empty (gimage);
drawable = gimp_image_active_drawable (gimage);
if (drawable)
type = gimp_drawable_type (drawable);
if (lp)
{
layer = gimp_image_get_active_layer (gimage);
if (layer)
{
lm = gimp_layer_get_mask (layer) ? TRUE : FALSE;
alpha = gimp_drawable_has_alpha (GIMP_DRAWABLE (layer));
lind = gimp_image_get_layer_index (gimage, layer);
}
lnum = gimp_container_num_children (gimage->layers);
}
gimp_context_get_foreground (gimp_get_user_context (gdisp->gimage->gimp),
&fg);
gimp_context_get_background (gimp_get_user_context (gdisp->gimage->gimp),
&bg);
}
#define SET_ACTIVE(menu,condition) \
gimp_menu_item_set_active ("<Image>/" menu, (condition) != 0)
#define SET_LABEL(menu,label) \
gimp_menu_item_set_label ("<Image>/" menu, (label))
#define SET_SENSITIVE(menu,condition) \
gimp_menu_item_set_sensitive ("<Image>/" menu, (condition) != 0)
SET_SENSITIVE ("File/Save", gdisp && drawable);
SET_SENSITIVE ("File/Save as...", gdisp && drawable);
SET_SENSITIVE ("File/Save a Copy as...", gdisp && drawable);
SET_SENSITIVE ("File/Revert...", gdisp && GIMP_OBJECT (gimage)->name);
SET_SENSITIVE ("File/Close", gdisp);
SET_SENSITIVE ("Edit", gdisp);
SET_SENSITIVE ("Edit/Buffer", gdisp);
if (gdisp)
{
gchar *undo_name = NULL;
gchar *redo_name = NULL;
if (gimp_image_undo_is_enabled (gimage))
{
undo_name = (gchar *) undo_get_undo_name (gimage);
redo_name = (gchar *) undo_get_redo_name (gimage);
}
if (undo_name)
undo_name = g_strdup_printf (_("Undo %s"), gettext (undo_name));
if (redo_name)
redo_name = g_strdup_printf (_("Redo %s"), gettext (redo_name));
SET_LABEL ("Edit/Undo", undo_name ? undo_name : _("Undo"));
SET_LABEL ("Edit/Redo", redo_name ? redo_name : _("Redo"));
SET_SENSITIVE ("Edit/Undo", undo_name);
SET_SENSITIVE ("Edit/Redo", redo_name);
g_free (undo_name);
g_free (redo_name);
SET_SENSITIVE ("Edit/Cut", lp);
SET_SENSITIVE ("Edit/Copy", lp);
SET_SENSITIVE ("Edit/Buffer/Cut Named...", lp);
SET_SENSITIVE ("Edit/Buffer/Copy Named...", lp);
SET_SENSITIVE ("Edit/Clear", lp);
SET_SENSITIVE ("Edit/Fill with FG Color", lp);
SET_SENSITIVE ("Edit/Fill with BG Color", lp);
SET_SENSITIVE ("Edit/Stroke", lp);
}
SET_SENSITIVE ("Select", gdisp && lp);
SET_SENSITIVE ("Select/Save to Channel", !fs);
SET_SENSITIVE ("View", gdisp);
SET_SENSITIVE ("View/Zoom", gdisp);
if (gdisp)
{
SET_ACTIVE ("View/Toggle Selection", ! shell->select->hidden);
SET_ACTIVE ("View/Toggle Layer Boundary", ! shell->select->layer_hidden);
SET_ACTIVE ("View/Toggle Rulers",
GTK_WIDGET_VISIBLE (shell->origin) ? 1 : 0);
SET_ACTIVE ("View/Toggle Guides", gdisp->draw_guides);
SET_ACTIVE ("View/Snap to Guides", gdisp->snap_to_guides);
SET_ACTIVE ("View/Toggle Statusbar",
GTK_WIDGET_VISIBLE (shell->statusbar) ? 1 : 0);
SET_ACTIVE ("View/Dot for Dot", gdisp->dot_for_dot);
}
SET_SENSITIVE ("Image", gdisp);
SET_SENSITIVE ("Image/Mode", gdisp);
if (gdisp)
{
SET_SENSITIVE ("Image/Mode/RGB", (base_type != GIMP_RGB));
SET_SENSITIVE ("Image/Mode/Grayscale", (base_type != GIMP_GRAY));
SET_SENSITIVE ("Image/Mode/Indexed...", (base_type != GIMP_INDEXED));
}
SET_SENSITIVE ("Image/Crop Image", gdisp && sel);
SET_SENSITIVE ("Image/Merge Visible Layers...", gdisp && !fs && !aux && lp);
SET_SENSITIVE ("Image/Flatten Image", gdisp && !fs && !aux && lp);
SET_SENSITIVE ("Layer/Stack", gdisp);
if (gdisp)
{
SET_SENSITIVE ("Layer/Stack/Previous Layer",
!fs && !aux && lp && lind > 0);
SET_SENSITIVE ("Layer/Stack/Next Layer",
!fs && !aux && lp && lind < (lnum - 1));
SET_SENSITIVE ("Layer/Stack/Raise Layer",
!fs && !aux && lp && alpha && lind > 0);
SET_SENSITIVE ("Layer/Stack/Lower Layer",
!fs && !aux && lp && alpha && lind < (lnum - 1));
SET_SENSITIVE ("Layer/Stack/Layer to Top",
!fs && !aux && lp && alpha && lind > 0);
SET_SENSITIVE ("Layer/Stack/Layer to Bottom",
!fs && !aux && lp && alpha && lind < (lnum - 1));
}
SET_SENSITIVE ("Layer/New Layer...", gdisp);
SET_SENSITIVE ("Layer/Duplicate Layer", gdisp && !fs && !aux && lp);
SET_SENSITIVE ("Layer/Anchor Layer", gdisp && fs && !aux && lp);
SET_SENSITIVE ("Layer/Merge Down", gdisp && !fs && !aux && lp);
SET_SENSITIVE ("Layer/Delete Layer", gdisp && !aux && lp);
SET_SENSITIVE ("Layer/Layer Boundary Size...", gdisp && !aux && lp);
SET_SENSITIVE ("Layer/Layer to Imagesize", gdisp && !aux && lp);
SET_SENSITIVE ("Layer/Scale Layer...", gdisp && !aux && lp);
SET_SENSITIVE ("Layer/Transform/Offset...", lp);
SET_SENSITIVE ("Layer/Colors", gdisp);
SET_SENSITIVE ("Layer/Colors/Auto", gdisp);
if (gdisp)
{
SET_SENSITIVE ("Layer/Colors", lp);
SET_SENSITIVE ("Layer/Colors/Color Balance...", (base_type == GIMP_RGB));
SET_SENSITIVE ("Layer/Colors/Hue-Saturation...", (base_type == GIMP_RGB));
SET_SENSITIVE ("Layer/Colors/Brightness-Contrast...", (base_type != GIMP_INDEXED));
SET_SENSITIVE ("Layer/Colors/Threshold...", (base_type != GIMP_INDEXED));
SET_SENSITIVE ("Layer/Colors/Levels...", (base_type != GIMP_INDEXED));
SET_SENSITIVE ("Layer/Colors/Curves...", (base_type != GIMP_INDEXED));
SET_SENSITIVE ("Layer/Colors/Desaturate", (base_type == GIMP_RGB));
SET_SENSITIVE ("Layer/Colors/Posterize...", (base_type != GIMP_INDEXED));
SET_SENSITIVE ("Layer/Colors/Invert", (base_type != GIMP_INDEXED));
SET_SENSITIVE ("Layer/Colors/Auto/Equalize", (base_type != GIMP_INDEXED));
SET_SENSITIVE ("Layer/Colors/Histogram...", lp);
}
SET_SENSITIVE ("Layer/Mask/Add Layer Mask...",
gdisp && !aux && !lm && lp && alpha && (base_type != GIMP_INDEXED));
SET_SENSITIVE ("Layer/Mask/Apply Layer Mask",
gdisp && !aux && lm && lp);
SET_SENSITIVE ("Layer/Mask/Delete Layer Mask",
gdisp && !aux && lm && lp);
SET_SENSITIVE ("Layer/Mask/Mask to Selection",
gdisp && !aux && lm && lp);
SET_SENSITIVE ("Layer/Alpha/Alpha to Selection",
gdisp && !aux && lp && alpha);
SET_SENSITIVE ("Layer/Alpha/Add Alpha Channel",
gdisp && !fs && !aux && lp && !lm && !alpha);
SET_SENSITIVE ("Filters", gdisp && lp);
SET_SENSITIVE ("Script-Fu", gdisp && lp);
#undef SET_ACTIVE
#undef SET_LABEL
#undef SET_SENSITIVE
plug_in_set_menu_sensitivity (type);
}
GimpGuide *
gimp_display_shell_find_guide (GimpDisplayShell *shell,
gdouble x,
gdouble y)
{
g_return_val_if_fail (GIMP_IS_DISPLAY_SHELL (shell), NULL);
if (shell->gdisp->draw_guides)
{
gdouble image_x, image_y;
gdisplay_untransform_coords_f (shell->gdisp,
x, y,
&image_x, &image_y,
TRUE);
return gimp_image_find_guide (shell->gdisp->gimage,
(gint) image_x,
(gint) image_y);
}
return NULL;
}
gboolean
gimp_display_shell_snap_point (GimpDisplayShell *shell,
gdouble x,
gdouble y,
gdouble *tx,
gdouble *ty)
{
gboolean snapped = FALSE;
g_return_val_if_fail (GIMP_IS_DISPLAY_SHELL (shell), FALSE);
g_return_val_if_fail (tx != NULL, FALSE);
g_return_val_if_fail (ty != NULL, FALSE);
*tx = x;
*ty = y;
if (shell->gdisp->draw_guides &&
shell->gdisp->snap_to_guides &&
shell->gdisp->gimage->guides)
{
gdouble image_x, image_y;
gint image_tx, image_ty;
gdisplay_untransform_coords_f (shell->gdisp,
x, y,
&image_x, &image_y,
TRUE);
snapped = gimp_image_snap_point (shell->gdisp->gimage,
(gint) image_x,
(gint) image_y,
&image_tx,
&image_ty);
if (snapped)
{
gdisplay_transform_coords_f (shell->gdisp,
(gdouble) image_tx, (gdouble) image_ty,
tx, ty,
FALSE);
}
}
return snapped;
}
gboolean
gimp_display_shell_snap_rectangle (GimpDisplayShell *shell,
gdouble x1,
gdouble y1,
gdouble x2,
gdouble y2,
gdouble *tx1,
gdouble *ty1)
{
gdouble nx1, ny1;
gdouble nx2, ny2;
gboolean snap1, snap2;
g_return_val_if_fail (GIMP_IS_DISPLAY_SHELL (shell), FALSE);
g_return_val_if_fail (tx1 != NULL, FALSE);
g_return_val_if_fail (ty1 != NULL, FALSE);
*tx1 = x1;
*ty1 = y1;
snap1 = gimp_display_shell_snap_point (shell, x1, y1, &nx1, &ny1);
snap2 = gimp_display_shell_snap_point (shell, x2, y2, &nx2, &ny2);
if (snap1 || snap2)
{
if (x1 != nx1)
*tx1 = nx1;
else if (x2 != nx2)
*tx1 = x1 + (nx2 - x2);
if (y1 != ny1)
*ty1 = ny1;
else if (y2 != ny2)
*ty1 = y1 + (ny2 - y2);
}
return snap1 || snap2;
}
gint
gimp_display_shell_mask_value (GimpDisplayShell *shell,
gint x,
gint y)
{
g_return_val_if_fail (GIMP_IS_DISPLAY_SHELL (shell), 0);
/* move the coordinates from screen space to image space */
gdisplay_untransform_coords (shell->gdisp, x, y, &x, &y, FALSE, FALSE);
return gimp_image_mask_value (shell->gdisp->gimage, x, y);
}
gboolean
gimp_display_shell_mask_bounds (GimpDisplayShell *shell,
gint *x1,
gint *y1,
gint *x2,
gint *y2)
{
GimpLayer *layer;
gint off_x;
gint off_y;
g_return_val_if_fail (GIMP_IS_DISPLAY_SHELL (shell), FALSE);
g_return_val_if_fail (x1 != NULL, FALSE);
g_return_val_if_fail (y1 != NULL, FALSE);
g_return_val_if_fail (x2 != NULL, FALSE);
g_return_val_if_fail (y2 != NULL, FALSE);
/* If there is a floating selection, handle things differently */
if ((layer = gimp_image_floating_sel (shell->gdisp->gimage)))
{
gimp_drawable_offsets (GIMP_DRAWABLE (layer), &off_x, &off_y);
if (! gimp_channel_bounds (gimp_image_get_mask (shell->gdisp->gimage),
x1, y1, x2, y2))
{
*x1 = off_x;
*y1 = off_y;
*x2 = off_x + gimp_drawable_width (GIMP_DRAWABLE (layer));
*y2 = off_y + gimp_drawable_height (GIMP_DRAWABLE (layer));
}
else
{
*x1 = MIN (off_x, *x1);
*y1 = MIN (off_y, *y1);
*x2 = MAX (off_x + gimp_drawable_width (GIMP_DRAWABLE (layer)), *x2);
*y2 = MAX (off_y + gimp_drawable_height (GIMP_DRAWABLE (layer)), *y2);
}
}
else if (! gimp_channel_bounds (gimp_image_get_mask (shell->gdisp->gimage),
x1, y1, x2, y2))
{
return FALSE;
}
gdisplay_transform_coords (shell->gdisp, *x1, *y1, x1, y1, 0);
gdisplay_transform_coords (shell->gdisp, *x2, *y2, x2, y2, 0);
/* Make sure the extents are within bounds */
*x1 = CLAMP (*x1, 0, shell->disp_width);
*y1 = CLAMP (*y1, 0, shell->disp_height);
*x2 = CLAMP (*x2, 0, shell->disp_width);
*y2 = CLAMP (*y2, 0, shell->disp_height);
return TRUE;
}
void
gimp_display_shell_add_expose_area (GimpDisplayShell *shell,
gint x,
gint y,
gint w,
gint h)
{
GimpArea *area;
g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
area = gimp_area_new (CLAMP (x, 0, shell->disp_width),
CLAMP (y, 0, shell->disp_height),
CLAMP (x + w, 0, shell->disp_width),
CLAMP (y + h, 0, shell->disp_height));
shell->display_areas = gimp_display_area_list_process (shell->display_areas,
area);
}
void
gimp_display_shell_expose_guide (GimpDisplayShell *shell,
GimpGuide *guide)
{
gint x;
gint y;
g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
g_return_if_fail (guide != NULL);
if (guide->position < 0)
return;
gdisplay_transform_coords (shell->gdisp,
guide->position,
guide->position,
&x, &y,
FALSE);
switch (guide->orientation)
{
case ORIENTATION_HORIZONTAL:
gimp_display_shell_add_expose_area (shell, 0, y, shell->disp_width, 1);
break;
case ORIENTATION_VERTICAL:
gimp_display_shell_add_expose_area (shell, x, 0, 1, shell->disp_height);
break;
default:
break;
}
}
void
gimp_display_shell_expose_full (GimpDisplayShell *shell)
{
g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
gimp_display_shell_add_expose_area (shell,
0, 0,
shell->disp_width,
shell->disp_height);
}
void
gimp_display_shell_flush (GimpDisplayShell *shell)
{
g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
if (shell->title_dirty)
{
gimp_display_shell_update_title (shell);
shell->title_dirty = FALSE;
}
if (shell->display_areas)
{
GSList *list;
GimpArea *area;
/* stop the currently active tool */
tool_manager_control_active (shell->gdisp->gimage->gimp, PAUSE,
shell->gdisp);
for (list = shell->display_areas; list; list = g_slist_next (list))
{
/* Paint the area specified by the GimpArea */
area = (GimpArea *) list->data;
gimp_display_shell_display_area (shell,
area->x1,
area->y1,
(area->x2 - area->x1),
(area->y2 - area->y1));
}
/* Free the update lists */
shell->display_areas = gimp_display_area_list_free (shell->display_areas);
/* draw the guides */
gimp_display_shell_draw_guides (shell);
/* and the cursor (if we have a software cursor) */
if (shell->have_cursor)
gimp_display_shell_draw_cursor (shell);
/* restart (and recalculate) the selection boundaries */
gimp_display_shell_selection_start (shell->select, TRUE);
/* start the currently active tool */
tool_manager_control_active (shell->gdisp->gimage->gimp, RESUME,
shell->gdisp);
}
}
void
gimp_display_shell_set_cursor (GimpDisplayShell *shell,
GdkCursorType cursor_type,
GimpToolCursorType tool_cursor,
GimpCursorModifier modifier)
{
g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
if (! shell->using_override_cursor)
{
gimp_display_shell_real_set_cursor (shell,
cursor_type,
tool_cursor,
modifier,
FALSE);
}
}
void
gimp_display_shell_set_override_cursor (GimpDisplayShell *shell,
GdkCursorType cursor_type)
{
g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
if (! shell->using_override_cursor ||
(shell->using_override_cursor &&
shell->override_cursor != cursor_type))
{
GdkCursor *cursor;
shell->override_cursor = cursor_type;
shell->using_override_cursor = TRUE;
cursor = gimp_cursor_new (cursor_type,
GIMP_TOOL_CURSOR_NONE,
GIMP_CURSOR_MODIFIER_NONE);
gdk_window_set_cursor (shell->canvas->window, cursor);
gdk_cursor_unref (cursor);
}
}
void
gimp_display_shell_unset_override_cursor (GimpDisplayShell *shell)
{
g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
if (shell->using_override_cursor)
{
shell->using_override_cursor = FALSE;
gimp_display_shell_real_set_cursor (shell,
shell->current_cursor,
shell->tool_cursor,
shell->cursor_modifier,
TRUE);
}
}
void
gimp_display_shell_update_cursor (GimpDisplayShell *shell,
gint x,
gint y)
{
GimpImage *gimage;
gboolean new_cursor;
gboolean flush = FALSE;
gint t_x = -1;
gint t_y = -1;
g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
gimage = shell->gdisp->gimage;
new_cursor = (shell->draw_cursor &&
shell->proximity &&
x > 0 &&
y > 0);
/* Erase old cursor, if necessary */
if (shell->have_cursor && (! new_cursor ||
x != shell->cursor_x ||
y != shell->cursor_y))
{
gimp_display_shell_add_expose_area (shell,
shell->cursor_x - 7,
shell->cursor_y - 7,
15, 15);
if (! new_cursor)
{
shell->have_cursor = FALSE;
flush = TRUE;
}
}
shell->have_cursor = new_cursor;
shell->cursor_x = x;
shell->cursor_y = y;
if (new_cursor || flush)
{
gimp_display_shell_flush (shell);
}
if (x > 0 && y > 0)
{
gdisplay_untransform_coords (shell->gdisp, x, y, &t_x, &t_y, FALSE, FALSE);
}
gimp_statusbar_update_cursor (GIMP_STATUSBAR (shell->statusbar), t_x, t_y);
if (t_x < 0 ||
t_y < 0 ||
t_x >= gimage->width ||
t_y >= gimage->height)
{
info_window_update_extended (shell->gdisp, -1, -1);
}
else
{
info_window_update_extended (shell->gdisp, t_x, t_y);
}
}
void
gimp_display_shell_update_title (GimpDisplayShell *shell)
{
gchar title[MAX_TITLE_BUF];
g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
/* format the title */
gimp_display_shell_format_title (shell, title, sizeof (title),
gimprc.image_title_format);
gdk_window_set_title (GTK_WIDGET (shell)->window, title);
/* format the statusbar */
if (strcmp (gimprc.image_title_format, gimprc.image_status_format))
{
gimp_display_shell_format_title (shell, title, sizeof (title),
gimprc.image_status_format);
}
gimp_statusbar_pop (GIMP_STATUSBAR (shell->statusbar), "title");
gimp_statusbar_push (GIMP_STATUSBAR (shell->statusbar), "title", title);
}
void
gimp_display_shell_update_icon (GimpDisplayShell *shell)
{
GdkPixbuf *pixbuf;
gint width, height;
gdouble factor;
g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
factor = ((gdouble) gimp_image_get_height (shell->gdisp->gimage) /
(gdouble) gimp_image_get_width (shell->gdisp->gimage));
if (factor >= 1)
{
height = MAX (shell->icon_size, 1);
width = MAX (((gdouble) shell->icon_size) / factor, 1);
}
else
{
height = MAX (((gdouble) shell->icon_size) * factor, 1);
width = MAX (shell->icon_size, 1);
}
pixbuf = gimp_viewable_get_new_preview_pixbuf (GIMP_VIEWABLE (shell->gdisp->gimage),
width, height);
gtk_window_set_icon (GTK_WINDOW (shell), pixbuf);
g_object_unref (G_OBJECT (pixbuf));
}
void
gimp_display_shell_draw_guide (GimpDisplayShell *shell,
GimpGuide *guide,
gboolean active)
{
static GdkGC *normal_hgc = NULL;
static GdkGC *active_hgc = NULL;
static GdkGC *normal_vgc = NULL;
static GdkGC *active_vgc = NULL;
static gboolean initialized = FALSE;
gint x1, x2;
gint y1, y2;
gint w, h;
gint x, y;
g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
g_return_if_fail (guide != NULL);
if (guide->position < 0)
return;
if (! initialized)
{
GdkGCValues values;
GdkColor fg;
GdkColor bg;
const gchar stipple[] =
{
0xF0, /* ####---- */
0xE1, /* ###----# */
0xC3, /* ##----## */
0x87, /* #----### */
0x0F, /* ----#### */
0x1E, /* ---####- */
0x3C, /* --####-- */
0x78, /* -####--- */
};
initialized = TRUE;
{
fg.red = 0x0;
fg.green = 0x0;
fg.blue = 0x0;
bg.red = 0x0;
bg.green = 0x7f7f;
bg.blue = 0xffff;
values.fill = GDK_OPAQUE_STIPPLED;
values.stipple = gdk_bitmap_create_from_data (shell->canvas->window,
(gchar *) stipple, 8, 1);
normal_hgc = gdk_gc_new_with_values (shell->canvas->window, &values,
GDK_GC_FILL |
GDK_GC_STIPPLE);
gdk_gc_set_rgb_fg_color (normal_hgc, &fg);
gdk_gc_set_rgb_bg_color (normal_hgc, &bg);
values.fill = GDK_OPAQUE_STIPPLED;
values.stipple = gdk_bitmap_create_from_data (shell->canvas->window,
(gchar *) stipple, 1, 8);
normal_vgc = gdk_gc_new_with_values (shell->canvas->window, &values,
GDK_GC_FILL |
GDK_GC_STIPPLE);
gdk_gc_set_rgb_fg_color (normal_vgc, &fg);
gdk_gc_set_rgb_bg_color (normal_vgc, &bg);
}
{
fg.red = 0x0;
fg.green = 0x0;
fg.blue = 0x0;
bg.red = 0xffff;
bg.green = 0x0;
bg.blue = 0x0;
values.fill = GDK_OPAQUE_STIPPLED;
values.stipple = gdk_bitmap_create_from_data (shell->canvas->window,
(gchar *) stipple, 8, 1);
active_hgc = gdk_gc_new_with_values (shell->canvas->window, &values,
GDK_GC_FILL |
GDK_GC_STIPPLE);
gdk_gc_set_rgb_fg_color (active_hgc, &fg);
gdk_gc_set_rgb_bg_color (active_hgc, &bg);
values.fill = GDK_OPAQUE_STIPPLED;
values.stipple = gdk_bitmap_create_from_data (shell->canvas->window,
(gchar *) stipple, 1, 8);
active_vgc = gdk_gc_new_with_values (shell->canvas->window, &values,
GDK_GC_FILL |
GDK_GC_STIPPLE);
gdk_gc_set_rgb_fg_color (active_vgc, &fg);
gdk_gc_set_rgb_bg_color (active_vgc, &bg);
}
}
gdisplay_transform_coords (shell->gdisp, 0, 0, &x1, &y1, FALSE);
gdisplay_transform_coords (shell->gdisp,
shell->gdisp->gimage->width,
shell->gdisp->gimage->height,
&x2, &y2, FALSE);
gdk_drawable_get_size (shell->canvas->window, &w, &h);
if (x1 < 0) x1 = 0;
if (y1 < 0) y1 = 0;
if (x2 > w) x2 = w;
if (y2 > h) y2 = h;
if (guide->orientation == ORIENTATION_HORIZONTAL)
{
gdisplay_transform_coords (shell->gdisp,
0, guide->position, &x, &y, FALSE);
if (active)
gdk_draw_line (shell->canvas->window, active_hgc, x1, y, x2, y);
else
gdk_draw_line (shell->canvas->window, normal_hgc, x1, y, x2, y);
}
else if (guide->orientation == ORIENTATION_VERTICAL)
{
gdisplay_transform_coords (shell->gdisp,
guide->position, 0, &x, &y, FALSE);
if (active)
gdk_draw_line (shell->canvas->window, active_vgc, x, y1, x, y2);
else
gdk_draw_line (shell->canvas->window, normal_vgc, x, y1, x, y2);
}
}
void
gimp_display_shell_draw_guides (GimpDisplayShell *shell)
{
g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
if (shell->gdisp->draw_guides)
{
GList *list;
GimpGuide *guide;
for (list = shell->gdisp->gimage->guides; list; list = g_list_next (list))
{
guide = (GimpGuide *) list->data;
gimp_display_shell_draw_guide (shell, guide, FALSE);
}
}
}
void
gimp_display_shell_shrink_wrap (GimpDisplayShell *shell)
{
/*
* I'm pretty sure this assumes that the current size is < display size
* Is this a valid assumption?
*/
GtkAllocation allocation;
gint disp_width, disp_height;
gint width, height;
gint shell_x, shell_y;
gint shell_width, shell_height;
gint max_auto_width, max_auto_height;
gint border_x, border_y;
gint s_width, s_height;
gboolean resize = FALSE;
s_width = gdk_screen_width ();
s_height = gdk_screen_height ();
width = SCALEX (shell->gdisp, shell->gdisp->gimage->width);
height = SCALEY (shell->gdisp, shell->gdisp->gimage->height);
disp_width = shell->disp_width;
disp_height = shell->disp_height;
shell_width = GTK_WIDGET (shell)->allocation.width;
shell_height = GTK_WIDGET (shell)->allocation.height;
border_x = shell_width - disp_width;
border_y = shell_height - disp_height;
max_auto_width = (s_width - border_x) * 0.75;
max_auto_height = (s_height - border_y) * 0.75;
allocation.x = 0;
allocation.y = 0;
/* If one of the display dimensions has changed and one of the
* dimensions fits inside the screen
*/
if (((width + border_x) < s_width || (height + border_y) < s_height) &&
(width != disp_width || height != disp_height))
{
width = ((width + border_x) < s_width) ? width : max_auto_width;
height = ((height + border_y) < s_height) ? height : max_auto_height;
resize = TRUE;
}
/* If the projected dimension is greater than current, but less than
* 3/4 of the screen size, expand automagically
*/
else if ((width > disp_width || height > disp_height) &&
(disp_width < max_auto_width || disp_height < max_auto_height))
{
width = MIN (max_auto_width, width);
height = MIN (max_auto_height, height);
resize = TRUE;
}
if (resize)
{
if (width < shell->statusbar->requisition.width)
{
width = shell->statusbar->requisition.width;
}
#undef RESIZE_DEBUG
#ifdef RESIZE_DEBUG
g_print ("1w:%d/%d d:%d/%d s:%d/%d b:%d/%d\n",
width, height,
disp_width, disp_height,
shell_width, shell_height,
border_x, border_y);
#endif /* RESIZE_DEBUG */
shell->disp_width = width;
shell->disp_height = height;
allocation.width = width + border_x;
allocation.height = height + border_y;
/* block the resulting expose event on any of the following
* changes because our caller has to do a full display update anyway
*/
g_signal_handlers_block_by_func (G_OBJECT (shell->canvas),
gimp_display_shell_canvas_expose,
shell);
gtk_widget_size_allocate (GTK_WIDGET (shell), &allocation);
gdk_window_resize (GTK_WIDGET (shell)->window,
allocation.width,
allocation.height);
/* let Gtk/X/WM position the window */
while (gtk_events_pending ())
gtk_main_iteration ();
gdk_window_get_origin (GTK_WIDGET (shell)->window, &shell_x, &shell_y);
/* if the window is offscreen, center it... */
if (shell_x > s_width || shell_y > s_height ||
(shell_x + width + border_x) < 0 || (shell_y + height + border_y) < 0)
{
shell_x = (s_width - width - border_x) >> 1;
shell_y = (s_height - height - border_y) >> 1;
gdk_window_move (GTK_WIDGET (shell)->window, shell_x, shell_y);
}
g_signal_handlers_unblock_by_func (G_OBJECT (shell->canvas),
gimp_display_shell_canvas_expose,
shell);
}
/* If the width or height of the display has changed, recalculate
* the display offsets...
*/
if (disp_width != shell->disp_width ||
disp_height != shell->disp_height)
{
shell->offset_x += (disp_width - shell->disp_width) / 2;
shell->offset_y += (disp_height - shell->disp_height) / 2;
}
}
void
gimp_display_shell_selection_visibility (GimpDisplayShell *shell,
GimpSelectionControl control)
{
g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
if (shell->select)
{
switch (control)
{
case GIMP_SELECTION_OFF:
gimp_display_shell_selection_invis (shell->select);
break;
case GIMP_SELECTION_LAYER_OFF:
gimp_display_shell_selection_layer_invis (shell->select);
break;
case GIMP_SELECTION_ON:
gimp_display_shell_selection_start (shell->select, TRUE);
break;
case GIMP_SELECTION_PAUSE:
gimp_display_shell_selection_pause (shell->select);
break;
case GIMP_SELECTION_RESUME:
gimp_display_shell_selection_resume (shell->select);
break;
}
}
}
/* private functions */
static gpointer
gimp_display_shell_get_accel_context (gpointer data)
{
GimpDisplayShell *shell;
shell = (GimpDisplayShell *) data;
if (shell)
return shell->gdisp->gimage;
return NULL;
}
static void
gimp_display_shell_display_area (GimpDisplayShell *shell,
gint x,
gint y,
gint w,
gint h)
{
gint sx, sy;
gint x1, y1;
gint x2, y2;
gint dx, dy;
gint i, j;
sx = SCALEX (shell->gdisp, shell->gdisp->gimage->width);
sy = SCALEY (shell->gdisp, shell->gdisp->gimage->height);
/* Bounds check */
x1 = CLAMP (x, 0, shell->disp_width);
y1 = CLAMP (y, 0, shell->disp_height);
x2 = CLAMP (x + w, 0, shell->disp_width);
y2 = CLAMP (y + h, 0, shell->disp_height);
if (y1 < shell->disp_yoffset)
{
gdk_draw_rectangle (shell->canvas->window,
shell->padding_gc,
TRUE,
x, y,
w, shell->disp_yoffset - y);
/* X X X
. # .
. . . */
y1 = shell->disp_yoffset;
}
if (x1 < shell->disp_xoffset)
{
gdk_draw_rectangle (shell->canvas->window,
shell->padding_gc,
TRUE,
x, y1,
shell->disp_xoffset - x, h);
/* . . .
X # .
X . . */
x1 = shell->disp_xoffset;
}
if (x2 > (shell->disp_xoffset + sx))
{
gdk_draw_rectangle (shell->canvas->window,
shell->padding_gc,
TRUE,
shell->disp_xoffset + sx, y1,
x2 - (shell->disp_xoffset + sx), h - (y1 - y));
/* . . .
. # X
. . X */
x2 = shell->disp_xoffset + sx;
}
if (y2 > (shell->disp_yoffset + sy))
{
gdk_draw_rectangle (shell->canvas->window,
shell->padding_gc,
TRUE,
x1, shell->disp_yoffset + sy,
x2 - x1, y2 - (shell->disp_yoffset + sy));
/* . . .
. # .
. X . */
y2 = shell->disp_yoffset + sy;
}
/* display the image in RENDER_BUF_WIDTH x RENDER_BUF_HEIGHT sized chunks */
for (i = y1; i < y2; i += GIMP_DISPLAY_SHELL_RENDER_BUF_HEIGHT)
{
for (j = x1; j < x2; j += GIMP_DISPLAY_SHELL_RENDER_BUF_WIDTH)
{
dx = MIN (x2 - j, GIMP_DISPLAY_SHELL_RENDER_BUF_WIDTH);
dy = MIN (y2 - i, GIMP_DISPLAY_SHELL_RENDER_BUF_HEIGHT);
gimp_display_shell_render (shell,
j - shell->disp_xoffset,
i - shell->disp_yoffset,
dx, dy);
#if 0
/* Invalidate the projection just after we render it! */
gimp_image_invalidate_without_render (shell->gdisp->gimage,
j - shell->disp_xoffset,
i - shell->disp_yoffset,
dx, dy,
0, 0, 0, 0);
#endif
}
}
}
static void
gimp_display_shell_real_set_cursor (GimpDisplayShell *shell,
GdkCursorType cursor_type,
GimpToolCursorType tool_cursor,
GimpCursorModifier modifier,
gboolean always_install)
{
g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
if (cursor_type != GIMP_BAD_CURSOR)
{
switch (gimprc.cursor_mode)
{
case GIMP_CURSOR_MODE_TOOL_ICON:
break;
case GIMP_CURSOR_MODE_TOOL_CROSSHAIR:
cursor_type = GIMP_CROSSHAIR_SMALL_CURSOR;
break;
case GIMP_CURSOR_MODE_CROSSHAIR:
cursor_type = GIMP_CROSSHAIR_CURSOR;
tool_cursor = GIMP_TOOL_CURSOR_NONE;
modifier = GIMP_CURSOR_MODIFIER_NONE;
break;
}
}
if (shell->current_cursor != cursor_type ||
shell->tool_cursor != tool_cursor ||
shell->cursor_modifier != modifier ||
always_install)
{
GdkCursor *cursor;
shell->current_cursor = cursor_type;
shell->tool_cursor = tool_cursor;
shell->cursor_modifier = modifier;
cursor = gimp_cursor_new (cursor_type,
tool_cursor,
modifier);
gdk_window_set_cursor (shell->canvas->window, cursor);
gdk_cursor_unref (cursor);
}
}
static void
gimp_display_shell_draw_cursor (GimpDisplayShell *shell)
{
gint x, y;
g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
x = shell->cursor_x;
y = shell->cursor_y;
gdk_draw_line (shell->canvas->window,
shell->canvas->style->white_gc,
x - 7, y-1, x + 7, y-1);
gdk_draw_line (shell->canvas->window,
shell->canvas->style->black_gc,
x - 7, y, x + 7, y);
gdk_draw_line (shell->canvas->window,
shell->canvas->style->white_gc,
x - 7, y+1, x + 7, y+1);
gdk_draw_line (shell->canvas->window,
shell->canvas->style->white_gc,
x-1, y - 7, x-1, y + 7);
gdk_draw_line (shell->canvas->window,
shell->canvas->style->black_gc,
x, y - 7, x, y + 7);
gdk_draw_line (shell->canvas->window,
shell->canvas->style->white_gc,
x+1, y - 7, x+1, y + 7);
}
static gint print (gchar *buf,
gint len,
gint start,
const gchar *fmt,
...) G_GNUC_PRINTF (4, 5);
static gint
print (gchar *buf,
gint len,
gint start,
const gchar *fmt,
...)
{
va_list args;
gint printed;
va_start (args, fmt);
printed = g_vsnprintf (buf + start, len - start, fmt, args);
if (printed < 0)
printed = len - start;
va_end (args);
return printed;
}
static void
gimp_display_shell_format_title (GimpDisplayShell *shell,
gchar *title,
gint title_len,
const gchar *format)
{
GimpImage *gimage;
gchar *image_type_str = NULL;
gboolean empty;
gint i;
gchar unit_format[8];
g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
gimage = shell->gdisp->gimage;
empty = gimp_image_is_empty (gimage);
switch (gimp_image_base_type (gimage))
{
case GIMP_RGB:
image_type_str = empty ? _("RGB-empty") : _("RGB");
break;
case GIMP_GRAY:
image_type_str = empty ? _("grayscale-empty") : _("grayscale");
break;
case GIMP_INDEXED:
image_type_str = empty ? _("indexed-empty") : _("indexed");
break;
default:
g_assert_not_reached ();
break;
}
i = 0;
while (i < title_len && *format)
{
switch (*format)
{
case '%':
format++;
switch (*format)
{
case 0:
g_warning ("image-title-format string ended within %%-sequence");
break;
case '%':
title[i++] = '%';
break;
case 'f': /* pruned filename */
{
gchar *basename;
basename =
g_path_get_basename (gimp_image_get_filename (gimage));
i += print (title, title_len, i, "%s", basename);
g_free (basename);
}
break;
case 'F': /* full filename */
i += print (title, title_len, i, "%s", gimp_image_get_filename (gimage));
break;
case 'p': /* PDB id */
i += print (title, title_len, i, "%d", gimp_image_get_ID (gimage));
break;
case 'i': /* instance */
i += print (title, title_len, i, "%d", shell->gdisp->instance);
break;
case 't': /* type */
i += print (title, title_len, i, "%s", image_type_str);
break;
case 's': /* user source zoom factor */
i += print (title, title_len, i, "%d", SCALESRC (shell->gdisp));
break;
case 'd': /* user destination zoom factor */
i += print (title, title_len, i, "%d", SCALEDEST (shell->gdisp));
break;
case 'z': /* user zoom factor (percentage) */
i += print (title, title_len, i, "%d",
100 * SCALEDEST (shell->gdisp) / SCALESRC (shell->gdisp));
break;
case 'D': /* dirty flag */
if (format[1] == 0)
{
g_warning ("image-title-format string ended within "
"%%D-sequence");
break;
}
if (gimage->dirty)
title[i++] = format[1];
format++;
break;
case 'C': /* clean flag */
if (format[1] == 0)
{
g_warning ("image-title-format string ended within "
"%%C-sequence");
break;
}
if (! gimage->dirty)
title[i++] = format[1];
format++;
break;
case 'm': /* memory used by image */
{
gsize memsize;
gchar *size_str;
memsize = gimp_object_get_memsize (GIMP_OBJECT (gimage));
size_str = gimp_image_new_get_memsize_string (memsize);
i += print (title, title_len, i, "%s", size_str);
g_free (size_str);
}
break;
case 'l': /* number of layers */
i += print (title, title_len, i, "%d",
gimp_container_num_children (gimage->layers));
break;
case 'L': /* active drawable name */
{
GimpDrawable *drawable;
drawable = gimp_image_active_drawable (gimage);
if (drawable)
i += print (title, title_len, i, "%s",
gimp_object_get_name (GIMP_OBJECT (drawable)));
else
i += print (title, title_len, i, "%s", "(none)");
}
break;
case 'w': /* width in pixels */
i += print (title, title_len, i, "%d", gimage->width);
break;
case 'W': /* width in real-world units */
g_snprintf (unit_format, sizeof (unit_format), "%%.%df",
gimp_unit_get_digits (gimage->unit) + 1);
i += print (title, title_len, i, unit_format,
(gimage->width *
gimp_unit_get_factor (gimage->unit) /
gimage->xresolution));
break;
case 'h': /* height in pixels */
i += print (title, title_len, i, "%d", gimage->height);
break;
case 'H': /* height in real-world units */
g_snprintf (unit_format, sizeof (unit_format), "%%.%df",
gimp_unit_get_digits (gimage->unit) + 1);
i += print (title, title_len, i, unit_format,
(gimage->height *
gimp_unit_get_factor (gimage->unit) /
gimage->yresolution));
break;
case 'u': /* unit symbol */
i += print (title, title_len, i, "%s",
gimp_unit_get_symbol (gimage->unit));
break;
case 'U': /* unit abbreviation */
i += print (title, title_len, i, "%s",
gimp_unit_get_abbreviation (gimage->unit));
break;
/* Other cool things to be added:
* %r = xresolution
* %R = yresolution
* %<25> = image's fractal dimension
* %<25> = the answer to everything
*/
default:
g_warning ("image-title-format contains unknown "
"format sequence '%%%c'", *format);
break;
}
break;
default:
title[i++] = *format;
break;
}
format++;
}
title[MIN (i, title_len - 1)] = '\0';
}
static void
gimp_display_shell_close_warning_dialog (GimpDisplayShell *shell,
const gchar *image_name)
{
GtkWidget *mbox;
gchar *title;
gchar *warning;
if (shell->warning_dialog)
{
gdk_window_raise (shell->warning_dialog->window);
return;
}
title = g_strdup_printf (_("Close %s?"), image_name);
warning = g_strdup_printf (_("Changes were made to %s.\n"
"Close anyway?"), image_name);
shell->warning_dialog = mbox =
gimp_query_boolean_box (title,
gimp_standard_help_func,
"dialogs/really_close.html",
GTK_STOCK_DIALOG_QUESTION,
warning,
GTK_STOCK_CLOSE, GTK_STOCK_CANCEL,
NULL, NULL,
gimp_display_shell_close_warning_callback,
shell);
g_free (title);
g_free (warning);
gtk_widget_show (mbox);
}
static void
gimp_display_shell_close_warning_callback (GtkWidget *widget,
gboolean close,
gpointer data)
{
GimpDisplayShell *shell;
shell = GIMP_DISPLAY_SHELL (data);
shell->warning_dialog = NULL;
if (close)
{
gimp_display_delete (shell->gdisp);
}
}
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