gimp/app/display/gimpdisplayshell.h

285 lines
13 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/>.
*/
#ifndef __GIMP_DISPLAY_SHELL_H__
#define __GIMP_DISPLAY_SHELL_H__
/* Apply to a float the same rounding mode used in the renderer */
#define PROJ_ROUND(coord) ((gint) RINT (coord))
#define PROJ_ROUND64(coord) ((gint64) RINT (coord))
/* scale values */
#define SCALEX(s,x) PROJ_ROUND ((x) * (s)->scale_x)
#define SCALEY(s,y) PROJ_ROUND ((y) * (s)->scale_y)
/* unscale values */
#define UNSCALEX(s,x) ((gint) ((x) / (s)->scale_x))
#define UNSCALEY(s,y) ((gint) ((y) / (s)->scale_y))
/* (and float-returning versions) */
#define FUNSCALEX(s,x) ((x) / (s)->scale_x)
#define FUNSCALEY(s,y) ((y) / (s)->scale_y)
#define GIMP_TYPE_DISPLAY_SHELL (gimp_display_shell_get_type ())
#define GIMP_DISPLAY_SHELL(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_DISPLAY_SHELL, GimpDisplayShell))
#define GIMP_DISPLAY_SHELL_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_DISPLAY_SHELL, GimpDisplayShellClass))
#define GIMP_IS_DISPLAY_SHELL(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_DISPLAY_SHELL))
#define GIMP_IS_DISPLAY_SHELL_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_DISPLAY_SHELL))
#define GIMP_DISPLAY_SHELL_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_DISPLAY_SHELL, GimpDisplayShellClass))
typedef struct _GimpDisplayShellClass GimpDisplayShellClass;
struct _GimpDisplayShell
{
GtkBox parent_instance;
GimpDisplay *display;
GimpUIManager *popup_manager;
GimpDisplayOptions *options;
GimpDisplayOptions *fullscreen_options;
GimpDisplayOptions *no_image_options;
gboolean snap_to_guides; /* should the guides be snapped to? */
gboolean snap_to_grid; /* should the grid be snapped to? */
gboolean snap_to_canvas; /* should the canvas be snapped to? */
gboolean snap_to_vectors; /* should the active path be snapped */
GimpUnit unit;
gint offset_x; /* offset of display image */
gint offset_y;
gdouble scale_x; /* horizontal scale factor */
gdouble scale_y; /* vertical scale factor */
gdouble monitor_xres;
gdouble monitor_yres;
gboolean dot_for_dot; /* ignore monitor resolution */
gint x_src_dec; /* increments for the bresenham style */
gint y_src_dec; /* image --> display transformation */
gint x_dest_inc;
gint y_dest_inc;
GimpZoomModel *zoom;
gdouble last_scale; /* scale used when reverting zoom */
guint last_scale_time; /* time when last_scale was set */
gint last_offset_x; /* offsets used when reverting zoom */
gint last_offset_y;
guint32 last_motion_time; /* previous time of a forwarded motion event */
guint32 last_read_motion_time;
gdouble last_motion_delta_time;
gdouble last_motion_delta_x;
gdouble last_motion_delta_y;
gdouble last_motion_distance;
GimpCoords last_coords; /* last motion event */
gdouble other_scale; /* scale factor entered in Zoom->Other*/
gint disp_width; /* width of drawing area */
gint disp_height; /* height of drawing area */
gboolean proximity; /* is a device in proximity */
Selection *selection; /* Selection (marching ants) */
GList *children;
GtkWidget *canvas; /* GimpCanvas widget */
GtkAdjustment *hsbdata; /* adjustments */
GtkAdjustment *vsbdata;
GtkWidget *hsb; /* scroll bars */
GtkWidget *vsb;
GtkWidget *hrule; /* rulers */
GtkWidget *vrule;
GtkWidget *origin; /* NW: origin */
GtkWidget *quick_mask_button;/* SW: quick mask button */
GtkWidget *zoom_button; /* NE: zoom toggle button */
GtkWidget *nav_ebox; /* SE: navigation event box */
GtkWidget *statusbar; /* statusbar */
cairo_surface_t *render_surface; /* buffer for rendering the image */
cairo_surface_t *mask_surface; /* buffer for rendering the mask */
cairo_pattern_t *checkerboard; /* checkerboard pattern */
GimpCanvasItem *canvas_item; /* items drawn on the canvas */
GimpCanvasItem *passe_partout; /* item for the highlight */
GimpCanvasItem *vectors; /* item proxy of vectors */
GimpCanvasItem *grid; /* item proxy of the grid */
GimpCanvasItem *guides; /* item proxies of guides */
GimpCanvasItem *sample_points; /* item proxies of sample points */
GimpCanvasItem *layer_boundary; /* item for the layer boundary */
GimpCanvasItem *cursor; /* item for the software cursor */
guint title_idle_id; /* title update idle ID */
gchar *title; /* current title */
gchar *status; /* current default statusbar content */
gint icon_size; /* size of the icon pixmap */
guint icon_idle_id; /* ID of the idle-function */
GdkPixbuf *icon; /* icon */
guint fill_idle_id; /* display_shell_fill() idle ID */
GimpCursorFormat cursor_format; /* Currently used cursor format */
GimpCursorType current_cursor; /* Currently installed main cursor */
GimpToolCursorType tool_cursor; /* Current Tool cursor */
GimpCursorModifier cursor_modifier; /* Cursor modifier (plus, minus, ...) */
GimpCursorType override_cursor; /* Overriding cursor */
gboolean using_override_cursor;
gboolean draw_cursor; /* should we draw software cursor ? */
GtkWidget *close_dialog; /* close dialog */
GtkWidget *scale_dialog; /* scale (zoom) dialog */
GtkWidget *nav_popup; /* navigation popup */
GtkWidget *grid_dialog; /* grid configuration dialog */
GimpColorDisplayStack *filter_stack; /* color display conversion stuff */
guint filter_idle_id;
GtkWidget *filters_dialog; /* color display filter dialog */
gint paused_count;
GimpTreeHandler *vectors_freeze_handler;
GimpTreeHandler *vectors_thaw_handler;
GimpTreeHandler *vectors_visible_handler;
gboolean zoom_on_resize;
gboolean size_allocate_from_configure_event;
/* the state of gimp_display_shell_tool_events() */
gboolean pointer_grabbed;
gboolean keyboard_grabbed;
gboolean space_pressed;
gboolean space_release_pending;
const gchar *space_shaded_tool;
gboolean scrolling;
gint scroll_start_x;
gint scroll_start_y;
gpointer scroll_info;
GimpDrawable *mask;
GimpRGB mask_color;
GArray *event_history;
GArray *event_queue;
gboolean event_delay; /* TRUE if theres an unsent event in
the history buffer */
GQueue *zoom_focus_pointer_queue;
gint event_delay_timeout;
GdkModifierType last_active_state;
};
struct _GimpDisplayShellClass
{
GtkBoxClass parent_class;
void (* scaled) (GimpDisplayShell *shell);
void (* scrolled) (GimpDisplayShell *shell);
void (* reconnect) (GimpDisplayShell *shell);
};
GType gimp_display_shell_get_type (void) G_GNUC_CONST;
GtkWidget * gimp_display_shell_new (GimpDisplay *display,
GimpUnit unit,
gdouble scale,
GimpUIManager *popup_manager);
void gimp_display_shell_add_overlay (GimpDisplayShell *shell,
GtkWidget *child,
gdouble image_x,
gdouble image_y,
GimpHandleAnchor anchor,
gint spacing_x,
gint spacing_y);
void gimp_display_shell_move_overlay (GimpDisplayShell *shell,
GtkWidget *child,
gdouble image_x,
gdouble image_y,
GimpHandleAnchor anchor,
gint spacing_x,
gint spacing_y);
GimpImageWindow * gimp_display_shell_get_window (GimpDisplayShell *shell);
GimpStatusbar * gimp_display_shell_get_statusbar (GimpDisplayShell *shell);
void gimp_display_shell_present (GimpDisplayShell *shell);
void gimp_display_shell_reconnect (GimpDisplayShell *shell);
void gimp_display_shell_empty (GimpDisplayShell *shell);
void gimp_display_shell_fill (GimpDisplayShell *shell,
GimpImage *image,
GimpUnit unit,
gdouble scale);
void gimp_display_shell_scale_changed (GimpDisplayShell *shell);
void gimp_display_shell_scaled (GimpDisplayShell *shell);
void gimp_display_shell_scrolled (GimpDisplayShell *shell);
void gimp_display_shell_set_unit (GimpDisplayShell *shell,
GimpUnit unit);
GimpUnit gimp_display_shell_get_unit (GimpDisplayShell *shell);
gboolean gimp_display_shell_snap_coords (GimpDisplayShell *shell,
GimpCoords *coords,
gint snap_offset_x,
gint snap_offset_y,
gint snap_width,
gint snap_height);
gboolean gimp_display_shell_mask_bounds (GimpDisplayShell *shell,
gint *x1,
gint *y1,
gint *x2,
gint *y2);
void gimp_display_shell_flush (GimpDisplayShell *shell,
gboolean now);
void gimp_display_shell_pause (GimpDisplayShell *shell);
void gimp_display_shell_resume (GimpDisplayShell *shell);
void gimp_display_shell_set_highlight (GimpDisplayShell *shell,
const GdkRectangle *highlight);
void gimp_display_shell_set_mask (GimpDisplayShell *shell,
GimpDrawable *mask,
const GimpRGB *color);
#endif /* __GIMP_DISPLAY_SHELL_H__ */