mirror of https://github.com/GNOME/gimp.git
456 lines
12 KiB
C
456 lines
12 KiB
C
/* GIMP - The GNU 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 3 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, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include <gtk/gtk.h>
|
|
|
|
#include "widgets-types.h"
|
|
|
|
#include "gimpcursor.h"
|
|
|
|
#include "cursors/gimp-tool-cursors.c"
|
|
|
|
|
|
#define cursor_default_x_hot 10
|
|
#define cursor_default_y_hot 10
|
|
|
|
#define cursor_mouse_x_hot 3
|
|
#define cursor_mouse_y_hot 2
|
|
#define cursor_crosshair_x_hot 15
|
|
#define cursor_crosshair_y_hot 15
|
|
#define cursor_zoom_x_hot 8
|
|
#define cursor_zoom_y_hot 8
|
|
#define cursor_color_picker_x_hot 1
|
|
#define cursor_color_picker_y_hot 30
|
|
|
|
|
|
typedef struct _GimpCursor GimpCursor;
|
|
|
|
struct _GimpCursor
|
|
{
|
|
const gchar *resource_name;
|
|
const gint x_hot, y_hot;
|
|
|
|
GdkPixbuf *pixbuf;
|
|
};
|
|
|
|
|
|
static GimpCursor gimp_cursors[] =
|
|
{
|
|
/* these have to match up with enum GimpCursorType in widgets-enums.h */
|
|
|
|
{
|
|
"cursor-none.png",
|
|
cursor_default_x_hot, cursor_default_y_hot
|
|
},
|
|
{
|
|
"cursor-mouse.png",
|
|
cursor_mouse_x_hot, cursor_mouse_y_hot
|
|
},
|
|
{
|
|
"cursor-crosshair.png",
|
|
cursor_crosshair_x_hot, cursor_crosshair_y_hot
|
|
},
|
|
{
|
|
"cursor-crosshair-small.png",
|
|
cursor_default_x_hot, cursor_default_y_hot
|
|
},
|
|
{
|
|
"cursor-bad.png",
|
|
cursor_default_x_hot, cursor_default_y_hot
|
|
},
|
|
{
|
|
"cursor-move.png",
|
|
cursor_default_x_hot, cursor_default_y_hot
|
|
},
|
|
{
|
|
"cursor-zoom.png",
|
|
cursor_zoom_x_hot, cursor_zoom_y_hot
|
|
},
|
|
{
|
|
"cursor-color-picker.png",
|
|
cursor_color_picker_x_hot, cursor_color_picker_y_hot
|
|
},
|
|
{
|
|
"cursor-corner-top.png",
|
|
cursor_default_x_hot, cursor_default_y_hot
|
|
},
|
|
{
|
|
"cursor-corner-top-right.png",
|
|
cursor_default_x_hot, cursor_default_y_hot
|
|
},
|
|
{
|
|
"cursor-corner-right.png",
|
|
cursor_default_x_hot, cursor_default_y_hot
|
|
},
|
|
{
|
|
"cursor-corner-bottom-right.png",
|
|
cursor_default_x_hot, cursor_default_y_hot
|
|
},
|
|
{
|
|
"cursor-corner-bottom.png",
|
|
cursor_default_x_hot, cursor_default_y_hot
|
|
},
|
|
{
|
|
"cursor-corner-bottom-left.png",
|
|
cursor_default_x_hot, cursor_default_y_hot
|
|
},
|
|
{
|
|
"cursor-corner-left.png",
|
|
cursor_default_x_hot, cursor_default_y_hot
|
|
},
|
|
{
|
|
"cursor-corner-top-left.png",
|
|
cursor_default_x_hot, cursor_default_y_hot
|
|
},
|
|
{
|
|
"cursor-side-top.png",
|
|
cursor_default_x_hot, cursor_default_y_hot
|
|
},
|
|
{
|
|
"cursor-side-top-right.png",
|
|
cursor_default_x_hot, cursor_default_y_hot
|
|
},
|
|
{
|
|
"cursor-side-right.png",
|
|
cursor_default_x_hot, cursor_default_y_hot
|
|
},
|
|
{
|
|
"cursor-side-bottom-right.png",
|
|
cursor_default_x_hot, cursor_default_y_hot
|
|
},
|
|
{
|
|
"cursor-side-bottom.png",
|
|
cursor_default_x_hot, cursor_default_y_hot
|
|
},
|
|
{
|
|
"cursor-side-bottom-left.png",
|
|
cursor_default_x_hot, cursor_default_y_hot
|
|
},
|
|
{
|
|
"cursor-side-left.png",
|
|
cursor_default_x_hot, cursor_default_y_hot
|
|
},
|
|
{
|
|
"cursor-side-top-left.png",
|
|
cursor_default_x_hot, cursor_default_y_hot
|
|
}
|
|
};
|
|
|
|
static GimpCursor gimp_tool_cursors[] =
|
|
{
|
|
/* these have to match up with enum GimpToolCursorType in widgets-enums.h */
|
|
|
|
{ NULL },
|
|
{ "tool-rect-select.png" },
|
|
{ "tool-ellipse-select.png" },
|
|
{ "tool-free-select.png" },
|
|
{ "tool-polygon-select.png" },
|
|
{ "tool-fuzzy-select.png" },
|
|
{ "tool-paths.png" },
|
|
{ "tool-paths-anchor.png" },
|
|
{ "tool-paths-control.png" },
|
|
{ "tool-paths-segment.png" },
|
|
{ "tool-iscissors.png" },
|
|
{ "tool-move.png" },
|
|
{ "tool-zoom.png" },
|
|
{ "tool-crop.png" },
|
|
{ "tool-resize.png" },
|
|
{ "tool-rotate.png" },
|
|
{ "tool-shear.png" },
|
|
{ "tool-perspective.png" },
|
|
{ "tool-flip-horizontal.png" },
|
|
{ "tool-flip-vertical.png" },
|
|
{ "tool-text.png" },
|
|
{ "tool-color-picker.png" },
|
|
{ "tool-bucket-fill.png" },
|
|
{ "tool-blend.png" },
|
|
{ "tool-pencil.png" },
|
|
{ "tool-paintbrush.png" },
|
|
{ "tool-airbrush.png" },
|
|
{ "tool-ink.png" },
|
|
{ "tool-clone.png" },
|
|
{ "tool-heal.png" },
|
|
{ "tool-eraser.png" },
|
|
{ "tool-smudge.png" },
|
|
{ "tool-blur.png" },
|
|
{ "tool-dodge.png" },
|
|
{ "tool-burn.png" },
|
|
{ "tool-measure.png" },
|
|
{ "tool-hand.png" }
|
|
};
|
|
|
|
static GimpCursor gimp_cursor_modifiers[] =
|
|
{
|
|
/* these have to match up with enum GimpCursorModifier in widgets-enums.h */
|
|
|
|
{ NULL },
|
|
{ "modifier-bad.png" },
|
|
{ "modifier-plus.png" },
|
|
{ "modifier-minus.png" },
|
|
{ "modifier-intersect.png" },
|
|
{ "modifier-move.png" },
|
|
{ "modifier-resize.png" },
|
|
{ "modifier-control.png" },
|
|
{ "modifier-anchor.png" },
|
|
{ "modifier-foreground.png" },
|
|
{ "modifier-background.png" },
|
|
{ "modifier-pattern.png" },
|
|
{ "modifier-join.png" },
|
|
{ "modifier-select.png" }
|
|
};
|
|
|
|
|
|
static const GdkPixbuf *
|
|
get_cursor_pixbuf (GimpCursor *cursor)
|
|
{
|
|
if (! cursor->pixbuf)
|
|
{
|
|
gchar *resource_path;
|
|
GError *error = NULL;
|
|
|
|
resource_path = g_strconcat ("/org/gimp/tool-cursors/",
|
|
cursor->resource_name, NULL);
|
|
|
|
cursor->pixbuf = gdk_pixbuf_new_from_resource (resource_path, &error);
|
|
|
|
if (! cursor->pixbuf)
|
|
{
|
|
g_critical ("Failed to create cursor image: %s", error->message);
|
|
g_clear_error (&error);
|
|
}
|
|
|
|
g_free (resource_path);
|
|
}
|
|
|
|
return cursor->pixbuf;
|
|
}
|
|
|
|
GdkCursor *
|
|
gimp_cursor_new (GdkDisplay *display,
|
|
GimpHandedness cursor_handedness,
|
|
GimpCursorType cursor_type,
|
|
GimpToolCursorType tool_cursor,
|
|
GimpCursorModifier modifier)
|
|
{
|
|
GimpCursor *bmcursor = NULL;
|
|
GimpCursor *bmmodifier = NULL;
|
|
GimpCursor *bmtool = NULL;
|
|
GdkCursor *cursor;
|
|
GdkPixbuf *pixbuf;
|
|
|
|
g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
|
|
g_return_val_if_fail (cursor_type < GIMP_CURSOR_LAST, NULL);
|
|
|
|
if (cursor_type <= (GimpCursorType) GDK_LAST_CURSOR)
|
|
return gdk_cursor_new_for_display (display, (GdkCursorType) cursor_type);
|
|
|
|
g_return_val_if_fail (cursor_type >= GIMP_CURSOR_NONE, NULL);
|
|
|
|
/* disallow the small tool cursor with some cursors
|
|
*/
|
|
if (cursor_type <= GIMP_CURSOR_NONE ||
|
|
cursor_type == GIMP_CURSOR_CROSSHAIR ||
|
|
cursor_type == GIMP_CURSOR_ZOOM ||
|
|
cursor_type == GIMP_CURSOR_COLOR_PICKER ||
|
|
cursor_type >= GIMP_CURSOR_LAST)
|
|
{
|
|
tool_cursor = GIMP_TOOL_CURSOR_NONE;
|
|
}
|
|
|
|
/* don't allow anything with the empty cursor
|
|
*/
|
|
if (cursor_type == GIMP_CURSOR_NONE)
|
|
{
|
|
tool_cursor = GIMP_TOOL_CURSOR_NONE;
|
|
modifier = GIMP_CURSOR_MODIFIER_NONE;
|
|
}
|
|
|
|
/* some more sanity checks
|
|
*/
|
|
if (cursor_type == GIMP_CURSOR_MOVE &&
|
|
modifier == GIMP_CURSOR_MODIFIER_MOVE)
|
|
{
|
|
modifier = GIMP_CURSOR_MODIFIER_NONE;
|
|
}
|
|
|
|
/* when cursor is "corner" or "side" sides must be exchanged for
|
|
* left-hand-mice-flipping of pixbuf below
|
|
*/
|
|
|
|
if (cursor_handedness == GIMP_HANDEDNESS_LEFT)
|
|
{
|
|
switch (cursor_type)
|
|
{
|
|
case GIMP_CURSOR_CORNER_TOP_LEFT:
|
|
cursor_type = GIMP_CURSOR_CORNER_TOP_RIGHT; break;
|
|
|
|
case GIMP_CURSOR_CORNER_TOP_RIGHT:
|
|
cursor_type = GIMP_CURSOR_CORNER_TOP_LEFT; break;
|
|
|
|
case GIMP_CURSOR_CORNER_LEFT:
|
|
cursor_type = GIMP_CURSOR_CORNER_RIGHT; break;
|
|
|
|
case GIMP_CURSOR_CORNER_RIGHT:
|
|
cursor_type = GIMP_CURSOR_CORNER_LEFT; break;
|
|
|
|
case GIMP_CURSOR_CORNER_BOTTOM_LEFT:
|
|
cursor_type = GIMP_CURSOR_CORNER_BOTTOM_RIGHT; break;
|
|
|
|
case GIMP_CURSOR_CORNER_BOTTOM_RIGHT:
|
|
cursor_type = GIMP_CURSOR_CORNER_BOTTOM_LEFT; break;
|
|
|
|
case GIMP_CURSOR_SIDE_TOP_LEFT:
|
|
cursor_type = GIMP_CURSOR_SIDE_TOP_RIGHT; break;
|
|
|
|
case GIMP_CURSOR_SIDE_TOP_RIGHT:
|
|
cursor_type = GIMP_CURSOR_SIDE_TOP_LEFT; break;
|
|
|
|
case GIMP_CURSOR_SIDE_LEFT:
|
|
cursor_type = GIMP_CURSOR_SIDE_RIGHT; break;
|
|
|
|
case GIMP_CURSOR_SIDE_RIGHT:
|
|
cursor_type = GIMP_CURSOR_SIDE_LEFT; break;
|
|
|
|
case GIMP_CURSOR_SIDE_BOTTOM_LEFT:
|
|
cursor_type = GIMP_CURSOR_SIDE_BOTTOM_RIGHT; break;
|
|
|
|
case GIMP_CURSOR_SIDE_BOTTOM_RIGHT:
|
|
cursor_type = GIMP_CURSOR_SIDE_BOTTOM_LEFT; break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* prepare the main cursor */
|
|
|
|
cursor_type -= GIMP_CURSOR_NONE;
|
|
bmcursor = &gimp_cursors[cursor_type];
|
|
|
|
/* prepare the tool cursor */
|
|
|
|
if (tool_cursor > GIMP_TOOL_CURSOR_NONE &&
|
|
tool_cursor < GIMP_TOOL_CURSOR_LAST)
|
|
{
|
|
bmtool = &gimp_tool_cursors[tool_cursor];
|
|
}
|
|
|
|
/* prepare the cursor modifier */
|
|
|
|
if (modifier > GIMP_CURSOR_MODIFIER_NONE &&
|
|
modifier < GIMP_CURSOR_MODIFIER_LAST)
|
|
{
|
|
bmmodifier = &gimp_cursor_modifiers[modifier];
|
|
}
|
|
|
|
pixbuf = gdk_pixbuf_copy (get_cursor_pixbuf (bmcursor));
|
|
|
|
if (bmmodifier || bmtool)
|
|
{
|
|
gint width = gdk_pixbuf_get_width (pixbuf);
|
|
gint height = gdk_pixbuf_get_height (pixbuf);
|
|
|
|
if (bmmodifier)
|
|
gdk_pixbuf_composite (get_cursor_pixbuf (bmmodifier), pixbuf,
|
|
0, 0, width, height,
|
|
0.0, 0.0, 1.0, 1.0,
|
|
GDK_INTERP_NEAREST, 200);
|
|
|
|
if (bmtool)
|
|
gdk_pixbuf_composite (get_cursor_pixbuf (bmtool), pixbuf,
|
|
0, 0, width, height,
|
|
0.0, 0.0, 1.0, 1.0,
|
|
GDK_INTERP_NEAREST, 200);
|
|
}
|
|
|
|
/* flip the cursor if mouse setting is left-handed */
|
|
|
|
if (cursor_handedness == GIMP_HANDEDNESS_LEFT)
|
|
{
|
|
GdkPixbuf *flipped = gdk_pixbuf_flip (pixbuf, TRUE);
|
|
gint width = gdk_pixbuf_get_width (flipped);
|
|
|
|
cursor = gdk_cursor_new_from_pixbuf (display, flipped,
|
|
(width - 1) - bmcursor->x_hot,
|
|
bmcursor->y_hot);
|
|
g_object_unref (flipped);
|
|
}
|
|
else
|
|
{
|
|
cursor = gdk_cursor_new_from_pixbuf (display, pixbuf,
|
|
bmcursor->x_hot,
|
|
bmcursor->y_hot);
|
|
}
|
|
|
|
g_object_unref (pixbuf);
|
|
|
|
return cursor;
|
|
}
|
|
|
|
void
|
|
gimp_cursor_set (GtkWidget *widget,
|
|
GimpHandedness cursor_handedness,
|
|
GimpCursorType cursor_type,
|
|
GimpToolCursorType tool_cursor,
|
|
GimpCursorModifier modifier)
|
|
{
|
|
GdkCursor *cursor;
|
|
|
|
g_return_if_fail (GTK_IS_WIDGET (widget));
|
|
g_return_if_fail (gtk_widget_get_realized (widget));
|
|
|
|
cursor = gimp_cursor_new (gtk_widget_get_display (widget),
|
|
cursor_handedness,
|
|
cursor_type,
|
|
tool_cursor,
|
|
modifier);
|
|
gdk_window_set_cursor (gtk_widget_get_window (widget), cursor);
|
|
gdk_cursor_unref (cursor);
|
|
|
|
gdk_display_flush (gtk_widget_get_display (widget));
|
|
}
|
|
|
|
GimpCursorType
|
|
gimp_cursor_rotate (GimpCursorType cursor,
|
|
gdouble angle)
|
|
{
|
|
if (cursor >= GIMP_CURSOR_CORNER_TOP &&
|
|
cursor <= GIMP_CURSOR_SIDE_TOP_LEFT)
|
|
{
|
|
gint offset = (gint) (angle / 45 + 0.5);
|
|
|
|
if (cursor < GIMP_CURSOR_SIDE_TOP)
|
|
{
|
|
cursor += offset;
|
|
|
|
if (cursor > GIMP_CURSOR_CORNER_TOP_LEFT)
|
|
cursor -= 8;
|
|
}
|
|
else
|
|
{
|
|
cursor += offset;
|
|
|
|
if (cursor > GIMP_CURSOR_SIDE_TOP_LEFT)
|
|
cursor -= 8;
|
|
}
|
|
}
|
|
|
|
return cursor;
|
|
}
|