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gimp/app/toolbox.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 <string.h>
#include <gtk/gtk.h>
#include "libgimpwidgets/gimpwidgets.h"
#include "apptypes.h"
#include "app_procs.h"
#include "color_area.h"
#include "devices.h"
#include "dialog_handler.h"
#include "gdisplay.h"
#include "gimage.h"
#include "gimpcontext.h"
#include "gimpdnd.h"
#include "gimplayer.h"
#include "gimprc.h"
#include "gtkhwrapbox.h"
#include "indicator_area.h"
#include "menus.h"
#include "paint_funcs.h"
#include "session.h"
#include "pixel_region.h"
#include "tile_manager.h"
#include "tools/tool_options_dialog.h"
#include "tools/tools.h"
#include "libgimp/gimpintl.h"
#include "pixmaps.h"
/* local functions */
static void tools_select_update (GtkWidget *widget,
gpointer data);
static gint tools_button_press (GtkWidget *widget,
GdkEventButton *bevent,
gpointer data);
static void toolbox_destroy (void);
static gint toolbox_delete (GtkWidget *widget,
GdkEvent *event,
gpointer data);
static gint toolbox_check_device (GtkWidget *widget,
GdkEvent *event,
gpointer data);
static GdkPixmap * create_pixmap (GdkWindow *parent,
GdkBitmap **mask,
gchar **data,
gint width,
gint height);
static void toolbox_style_set_callback (GtkWidget *window,
GtkStyle *previous_style,
gpointer data);
static void toolbox_set_drag_dest (GtkWidget *widget);
static gboolean toolbox_drag_drop (GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
guint time);
static ToolType toolbox_drag_tool (GtkWidget *widget,
gpointer data);
static void toolbox_drop_tool (GtkWidget *widget,
ToolType tool,
gpointer data);
static gint pixmap_colors[8][3] =
{
{ 0x00, 0x00, 0x00 }, /* a - 0 */
{ 0x24, 0x24, 0x24 }, /* b - 36 */
{ 0x49, 0x49, 0x49 }, /* c - 73 */
{ 0x6D, 0x6D, 0x6D }, /* d - 109 */
{ 0x92, 0x92, 0x92 }, /* e - 146 */
{ 0xB6, 0xB6, 0xB6 }, /* f - 182 */
{ 0xDB, 0xDB, 0xDB }, /* g - 219 */
{ 0xFF, 0xFF, 0xFF }, /* h - 255 */
};
#define COLUMNS 3
#define ROWS 8
#define MARGIN 2
/* local variables */
static GdkColor colors[11];
static GtkWidget * toolbox_shell = NULL;
static GtkTargetEntry toolbox_target_table[] =
{
GIMP_TARGET_URI_LIST,
GIMP_TARGET_TEXT_PLAIN,
GIMP_TARGET_NETSCAPE_URL,
GIMP_TARGET_LAYER,
GIMP_TARGET_CHANNEL,
GIMP_TARGET_LAYER_MASK,
GIMP_TARGET_TOOL
};
static guint toolbox_n_targets = (sizeof (toolbox_target_table) /
sizeof (toolbox_target_table[0]));
static GtkTargetEntry tool_target_table[] =
{
GIMP_TARGET_TOOL
};
static guint tool_n_targets = (sizeof (tool_target_table) /
sizeof (tool_target_table[0]));
static void
tools_select_update (GtkWidget *widget,
gpointer data)
{
ToolType tool_type;
tool_type = (ToolType) data;
if ((tool_type != -1) && GTK_TOGGLE_BUTTON (widget)->active)
gimp_context_set_tool (gimp_context_get_user (), tool_type);
}
static gint
tools_button_press (GtkWidget *widget,
GdkEventButton *event,
gpointer data)
{
GDisplay * gdisp;
gdisp = data;
if ((event->type == GDK_2BUTTON_PRESS) && (event->button == 1))
tool_options_dialog_show ();
return FALSE;
}
static gint
toolbox_delete (GtkWidget *widget,
GdkEvent *event,
gpointer data)
{
app_exit (FALSE);
return TRUE;
}
static void
toolbox_destroy (void)
{
app_exit_finish ();
}
static gint
toolbox_check_device (GtkWidget *widget,
GdkEvent *event,
gpointer data)
{
devices_check_change (event);
return FALSE;
}
static void
allocate_colors (GtkWidget *parent)
{
GdkColormap *colormap;
gint i;
gtk_widget_realize (parent);
colormap = gdk_window_get_colormap (parent->window);
for (i = 0; i < 8; i++)
{
colors[i].red = pixmap_colors[i][0] << 8;
colors[i].green = pixmap_colors[i][1] << 8;
colors[i].blue = pixmap_colors[i][2] << 8;
gdk_color_alloc (colormap, &colors[i]);
}
colors[8] = parent->style->bg[GTK_STATE_NORMAL];
gdk_color_alloc (colormap, &colors[8]);
colors[9] = parent->style->bg[GTK_STATE_ACTIVE];
gdk_color_alloc (colormap, &colors[9]);
colors[10] = parent->style->bg[GTK_STATE_PRELIGHT];
gdk_color_alloc (colormap, &colors[10]);
}
static void
create_indicator_area (GtkWidget *parent)
{
GtkWidget *frame;
GtkWidget *alignment;
GtkWidget *ind_area;
if (! GTK_WIDGET_REALIZED (parent))
gtk_widget_realize (parent);
frame = gtk_frame_new (NULL);
gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_OUT);
gtk_wrap_box_pack (GTK_WRAP_BOX (parent), frame, TRUE, TRUE, TRUE, TRUE);
alignment = gtk_alignment_new (0.5, 0.5, 0.0, 0.0);
gtk_container_set_border_width (GTK_CONTAINER (alignment), 3);
gtk_container_add (GTK_CONTAINER (frame), alignment);
gimp_help_set_help_data (alignment, NULL, "#indicator_area");
ind_area = indicator_area_create ();
gtk_container_add (GTK_CONTAINER (alignment), ind_area);
gtk_widget_show (ind_area);
gtk_widget_show (alignment);
gtk_widget_show (frame);
}
static void
create_color_area (GtkWidget *parent)
{
GtkWidget *frame;
GtkWidget *alignment;
GtkWidget *col_area;
GdkPixmap *default_pixmap;
GdkBitmap *default_mask;
GdkPixmap *swap_pixmap;
GdkBitmap *swap_mask;
if (! GTK_WIDGET_REALIZED (parent))
gtk_widget_realize (parent);
default_pixmap = create_pixmap (parent->window, &default_mask, default_bits,
default_width, default_height);
swap_pixmap = create_pixmap (parent->window, &swap_mask, swap_bits,
swap_width, swap_height);
frame = gtk_frame_new (NULL);
gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_OUT);
gtk_wrap_box_pack (GTK_WRAP_BOX (parent), frame, TRUE, TRUE, TRUE, TRUE);
gtk_wrap_box_set_child_forced_break (GTK_WRAP_BOX (parent), frame, TRUE);
alignment = gtk_alignment_new (0.5, 0.5, 0.0, 0.0);
gtk_container_set_border_width (GTK_CONTAINER (alignment), 3);
gtk_container_add (GTK_CONTAINER (frame), alignment);
gimp_help_set_help_data (alignment, NULL, "#color_area");
col_area = color_area_create (54, 42,
default_pixmap, default_mask,
swap_pixmap, swap_mask);
gtk_container_add (GTK_CONTAINER (alignment), col_area);
gimp_help_set_help_data
(col_area,
_("Foreground & background colors. The black "
"and white squares reset colors. The arrows swap colors. Double "
"click to select a color from a colorrequester."), NULL);
gtk_widget_show (col_area);
gtk_widget_show (alignment);
gtk_widget_show (frame);
}
/* creates all icons */
static void
create_tool_pixmaps (GtkWidget *parent)
{
gint i;
g_return_if_fail (parent != NULL);
for (i = 0; i < num_tools; i++)
{
if (tool_info[i].icon_data)
tool_info[i].icon_pixmap = create_pixmap (parent->window,
&tool_info[i].icon_mask,
tool_info[i].icon_data,
22, 22);
else
tool_info[i].icon_pixmap = create_pixmap (parent->window,
&tool_info[i].icon_mask,
dialog_bits,
22, 22);
}
}
static void
create_tools (GtkWidget *parent)
{
GtkWidget *wbox;
GtkWidget *button;
GtkWidget *alignment;
GtkWidget *pixmap;
GSList *group;
gint i, j;
wbox = parent;
if (! GTK_WIDGET_REALIZED (gtk_widget_get_toplevel (wbox)))
gtk_widget_realize (gtk_widget_get_toplevel (wbox));
create_tool_pixmaps (wbox);
group = NULL;
i = 0;
for (j = 0; j < num_tools; j++)
{
if (j <= LAST_TOOLBOX_TOOL &&
j != SCALE && j!= SHEAR && j != PERSPECTIVE)
{
tool_info[j].tool_widget = button = gtk_radio_button_new (group);
gtk_container_set_border_width (GTK_CONTAINER (button), 0);
group = gtk_radio_button_group (GTK_RADIO_BUTTON (button));
gtk_toggle_button_set_mode (GTK_TOGGLE_BUTTON (button), FALSE);
gtk_wrap_box_pack (GTK_WRAP_BOX (wbox), button,
FALSE, FALSE, FALSE, FALSE);
alignment = gtk_alignment_new (0.5, 0.5, 0.0, 0.0);
gtk_container_set_border_width (GTK_CONTAINER (alignment), 0);
gtk_container_add (GTK_CONTAINER (button), alignment);
pixmap = gtk_pixmap_new (tool_get_pixmap ((ToolType)j),
tool_get_mask ((ToolType)j));
gtk_container_add (GTK_CONTAINER (alignment), pixmap);
gtk_signal_connect (GTK_OBJECT (button), "toggled",
GTK_SIGNAL_FUNC (tools_select_update),
(gpointer) tool_info[j].tool_id);
gtk_signal_connect (GTK_OBJECT (button), "button_press_event",
GTK_SIGNAL_FUNC (tools_button_press),
(gpointer) tool_info[j].tool_id);
/* dnd stuff */
gtk_drag_source_set (tool_info[j].tool_widget,
GDK_BUTTON2_MASK,
tool_target_table, tool_n_targets,
GDK_ACTION_COPY);
gimp_dnd_tool_source_set (tool_info[j].tool_widget,
toolbox_drag_tool, (gpointer) j);
gimp_help_set_help_data (button,
gettext(tool_info[j].tool_desc),
tool_info[j].private_tip);
gtk_widget_show (pixmap);
gtk_widget_show (alignment);
gtk_widget_show (button);
i++;
}
else
{
tool_info[j].tool_widget = button = gtk_radio_button_new (group);
group = gtk_radio_button_group (GTK_RADIO_BUTTON (button));
gtk_signal_connect (GTK_OBJECT (button), "clicked",
GTK_SIGNAL_FUNC (tools_select_update),
(gpointer) tool_info[j].tool_id);
}
}
gtk_widget_show (wbox);
}
static GdkPixmap *
create_pixmap (GdkWindow *parent,
GdkBitmap **mask,
gchar **data,
gint width,
gint height)
{
GdkPixmap *pixmap;
GdkImage *image;
GdkGC *gc;
GdkVisual *visual;
GdkColormap *cmap;
gint r, s, t, cnt;
guchar *mem;
guchar value;
guint32 pixel;
visual = gdk_window_get_visual (parent);
cmap = gdk_window_get_colormap (parent);
image = gdk_image_new (GDK_IMAGE_NORMAL, visual, width, height);
pixmap = gdk_pixmap_new (parent, width, height, -1);
gc = NULL;
if (mask)
{
GdkColor tmp_color;
*mask = gdk_pixmap_new (parent, width, height, 1);
gc = gdk_gc_new (*mask);
gdk_draw_rectangle (*mask, gc, TRUE, 0, 0, -1, -1);
tmp_color.pixel = 1;
gdk_gc_set_foreground (gc, &tmp_color);
}
for (r = 0; r < height; r++)
{
mem = image->mem;
mem += image->bpl * r;
for (s = 0, cnt = 0; s < width; s++)
{
value = data[r][s];
if (value == '.')
{
pixel = colors[8].pixel;
if (mask)
{
if (cnt < s)
gdk_draw_line (*mask, gc, cnt, r, s - 1, r);
cnt = s + 1;
}
}
else
{
pixel = colors[value - 'a'].pixel;
}
if (image->byte_order == GDK_LSB_FIRST)
{
for (t = 0; t < image->bpp; t++)
*mem++ = (guchar) ((pixel >> (t * 8)) & 0xFF);
}
else
{
for (t = 0; t < image->bpp; t++)
*mem++ = (guchar) ((pixel >> ((image->bpp - t - 1) * 8)) & 0xFF);
}
}
if (mask && (cnt < s))
gdk_draw_line (*mask, gc, cnt, r, s - 1, r);
}
if (mask)
gdk_gc_destroy (gc);
gc = gdk_gc_new (parent);
gdk_draw_image (pixmap, gc, image, 0, 0, 0, 0, width, height);
gdk_gc_destroy (gc);
gdk_image_destroy (image);
return pixmap;
}
void
toolbox_create (void)
{
GtkWidget *window;
GtkWidget *main_vbox;
GtkWidget *wbox;
GtkWidget *menubar;
GList *list;
GtkAccelGroup *table;
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
/* Register dialog */
dialog_register_toolbox (window);
gtk_signal_connect (GTK_OBJECT (window), "delete_event",
GTK_SIGNAL_FUNC (toolbox_delete),
NULL);
gtk_signal_connect (GTK_OBJECT (window), "destroy",
GTK_SIGNAL_FUNC (toolbox_destroy),
NULL);
/* We need to know when the current device changes, so we can update
* the correct tool - to do this we connect to motion events.
* We can't just use EXTENSION_EVENTS_CURSOR though, since that
* would get us extension events for the mouse pointer, and our
* device would change to that and not change back. So we check
* manually that all devices have a cursor, before establishing the check.
*/
for (list = gdk_input_list_devices (); list; list = g_list_next (list))
{
if (!((GdkDeviceInfo *) (list->data))->has_cursor)
break;
}
if (!list) /* all devices have cursor */
{
gtk_signal_connect (GTK_OBJECT (window), "motion_notify_event",
GTK_SIGNAL_FUNC (toolbox_check_device),
NULL);
gtk_widget_set_events (window, GDK_POINTER_MOTION_MASK);
gtk_widget_set_extension_events (window, GDK_EXTENSION_EVENTS_CURSOR);
}
/* set up the window geometry after the events have been set,
since we need to realize the widget */
gtk_window_set_wmclass (GTK_WINDOW (window), "toolbox", "Gimp");
gtk_window_set_title (GTK_WINDOW (window), _("The GIMP"));
gtk_window_set_policy (GTK_WINDOW (window), TRUE, TRUE, FALSE);
gtk_signal_connect (GTK_OBJECT (window), "style_set",
GTK_SIGNAL_FUNC (toolbox_style_set_callback),
NULL);
session_set_window_geometry (window, &toolbox_session_info, TRUE);
main_vbox = gtk_vbox_new (FALSE, 1);
gtk_container_set_border_width (GTK_CONTAINER (main_vbox), 1);
gtk_container_add (GTK_CONTAINER (window), main_vbox);
gtk_widget_show (main_vbox);
/* allocate the colors for creating pixmaps */
allocate_colors (main_vbox);
/* tooltips */
gimp_help_init ();
if (!show_tool_tips)
gimp_help_disable_tooltips ();
/* Build the menu bar with menus */
menus_get_toolbox_menubar (&menubar, &table);
gtk_box_pack_start (GTK_BOX (main_vbox), menubar, FALSE, TRUE, 0);
gtk_widget_show (menubar);
/* Install the accelerator table in the main window */
gtk_window_add_accel_group (GTK_WINDOW (window), table);
/* Connect the "F1" help key */
gimp_help_connect_help_accel (window,
gimp_standard_help_func,
"toolbox/toolbox.html");
wbox = gtk_hwrap_box_new (FALSE);
gtk_wrap_box_set_justify (GTK_WRAP_BOX (wbox), GTK_JUSTIFY_TOP);
gtk_wrap_box_set_line_justify (GTK_WRAP_BOX (wbox), GTK_JUSTIFY_LEFT);
/* magic number to set a default 5x5 layout */
gtk_wrap_box_set_aspect_ratio (GTK_WRAP_BOX (wbox), 5.0 / 5.9);
gtk_container_set_border_width (GTK_CONTAINER (wbox), 0);
gtk_box_pack_start (GTK_BOX (main_vbox), wbox, TRUE, TRUE, 0);
gtk_widget_show (wbox);
create_tools (wbox);
create_color_area (wbox);
if (show_indicators)
create_indicator_area (wbox);
gtk_widget_show (window);
toolbox_set_drag_dest (window);
toolbox_shell = window;
}
void
toolbox_free (void)
{
gint i;
session_get_window_info (toolbox_shell, &toolbox_session_info);
gtk_widget_destroy (toolbox_shell);
for (i = 0; i < num_tools; i++)
{
if (tool_info[i].icon_pixmap)
gdk_pixmap_unref (tool_info[i].icon_pixmap);
if (!tool_info[i].icon_data)
gtk_object_sink (GTK_OBJECT (tool_info[i].tool_widget));
}
gimp_help_free ();
}
void
toolbox_raise_callback (GtkWidget *widget,
gpointer data)
{
gdk_window_raise (toolbox_shell->window);
}
static void
toolbox_style_set_callback (GtkWidget *window,
GtkStyle *previous_style,
gpointer data)
{
GdkGeometry geometry;
GtkStyle *style;
gint xthickness;
gint ythickness;
style = gtk_widget_get_style (window);
xthickness = ((GtkStyleClass *) style->klass)->xthickness;
ythickness = ((GtkStyleClass *) style->klass)->ythickness;
geometry.min_width = 2 + 24 + 2 * xthickness;
geometry.min_height = 80 + 24 + 2 * ythickness;
geometry.width_inc = 24 + 2 * xthickness;
geometry.height_inc = 24 + 2 * ythickness;
gtk_window_set_geometry_hints (GTK_WINDOW (window),
NULL,
&geometry,
GDK_HINT_MIN_SIZE | GDK_HINT_RESIZE_INC);
}
static void
toolbox_set_drag_dest (GtkWidget *object)
{
gtk_drag_dest_set (object,
GTK_DEST_DEFAULT_ALL,
toolbox_target_table, toolbox_n_targets,
GDK_ACTION_COPY);
gimp_dnd_file_dest_set (object);
gtk_signal_connect (GTK_OBJECT (object), "drag_drop",
GTK_SIGNAL_FUNC (toolbox_drag_drop),
NULL);
gimp_dnd_tool_dest_set (object, toolbox_drop_tool, NULL);
}
static gboolean
toolbox_drag_drop (GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
guint time)
{
GtkWidget *src_widget;
gboolean return_val = FALSE;
if ((src_widget = gtk_drag_get_source_widget (context)))
{
GimpDrawable *drawable = NULL;
GimpLayer *layer = NULL;
GimpChannel *channel = NULL;
GimpLayerMask *layer_mask = NULL;
GimpImage *component = NULL;
ChannelType component_type = -1;
layer = (GimpLayer *) gtk_object_get_data (GTK_OBJECT (src_widget),
"gimp_layer");
channel = (GimpChannel *) gtk_object_get_data (GTK_OBJECT (src_widget),
"gimp_channel");
layer_mask = (GimpLayerMask *) gtk_object_get_data (GTK_OBJECT (src_widget),
"gimp_layer_mask");
component = (GImage *) gtk_object_get_data (GTK_OBJECT (src_widget),
"gimp_component");
if (layer)
{
drawable = GIMP_DRAWABLE (layer);
}
else if (channel)
{
drawable = GIMP_DRAWABLE (channel);
}
else if (layer_mask)
{
drawable = GIMP_DRAWABLE (layer_mask);
}
else if (component)
{
component_type =
(ChannelType) gtk_object_get_data (GTK_OBJECT (src_widget),
"gimp_component_type");
}
if (drawable)
{
GimpImage *gimage;
GimpImage *new_gimage;
GimpLayer *new_layer;
gint width, height;
gint off_x, off_y;
gint bytes;
GimpImageBaseType type;
gimage = gimp_drawable_gimage (drawable);
width = gimp_drawable_width (drawable);
height = gimp_drawable_height (drawable);
bytes = gimp_drawable_bytes (drawable);
switch (gimp_drawable_type (drawable))
{
case RGB_GIMAGE: case RGBA_GIMAGE:
type = RGB; break;
case GRAY_GIMAGE: case GRAYA_GIMAGE:
type = GRAY; break;
case INDEXED_GIMAGE: case INDEXEDA_GIMAGE:
type = INDEXED; break;
default:
type = RGB; break;
}
new_gimage = gimage_new (width, height, type);
gimp_image_undo_disable (new_gimage);
if (type == INDEXED) /* copy the colormap */
{
new_gimage->num_cols = gimage->num_cols;
memcpy (new_gimage->cmap, gimage->cmap, COLORMAP_SIZE);
}
gimp_image_set_resolution (new_gimage,
gimage->xresolution, gimage->yresolution);
gimp_image_set_unit (new_gimage, gimage->unit);
if (layer)
{
new_layer = gimp_layer_copy (layer, FALSE);
}
else
{
/* a non-layer drawable can't have an alpha channel,
* so add one
*/
PixelRegion srcPR, destPR;
TileManager *tiles;
tiles = tile_manager_new (width, height, bytes + 1);
pixel_region_init (&srcPR, gimp_drawable_data (drawable),
0, 0, width, height, FALSE);
pixel_region_init (&destPR, tiles,
0, 0, width, height, TRUE);
add_alpha_region (&srcPR, &destPR);
new_layer =
gimp_layer_new_from_tiles (new_gimage,
gimp_image_base_type_with_alpha (new_gimage),
tiles,
"", OPAQUE_OPACITY, NORMAL_MODE);
tile_manager_destroy (tiles);
}
gimp_drawable_set_gimage (GIMP_DRAWABLE (new_layer), new_gimage);
gimp_object_set_name (GIMP_OBJECT (new_layer),
gimp_object_get_name (GIMP_OBJECT (drawable)));
if (layer)
{
GimpLayerMask *mask;
GimpLayerMask *new_mask;
mask = gimp_layer_get_mask (layer);
new_mask = gimp_layer_get_mask (new_layer);
if (new_mask)
{
gimp_object_set_name (GIMP_OBJECT (new_mask),
gimp_object_get_name (GIMP_OBJECT (mask)));
}
}
gimp_drawable_offsets (GIMP_DRAWABLE (new_layer), &off_x, &off_y);
gimp_layer_translate (new_layer, -off_x, -off_y);
gimp_image_add_layer (new_gimage, new_layer, 0);
gimp_context_set_display (gimp_context_get_user (),
gdisplay_new (new_gimage, 0x0101));
gimp_image_undo_enable (new_gimage);
return_val = TRUE;
}
}
gtk_drag_finish (context, return_val, FALSE, time);
return return_val;
}
static ToolType
toolbox_drag_tool (GtkWidget *widget,
gpointer data)
{
return (ToolType) data;
}
static void
toolbox_drop_tool (GtkWidget *widget,
ToolType tool,
gpointer data)
{
gimp_context_set_tool (gimp_context_get_user (), tool);
}
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