weston/shared/cairo-util.h
Jasper St. Pierre 7407345446 xdg-shell: Add set_margin request
This is used to figure out the size of "invisible" decorations, which we'll
use to better know the visible extents of the surface, which we can use for
constraining, titlebars, and more.
2014-02-06 13:05:03 -08:00

217 lines
5.7 KiB
C

/*
* Copyright © 2008 Kristian Høgsberg
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that copyright
* notice and this permission notice appear in supporting documentation, and
* that the name of the copyright holders not be used in advertising or
* publicity pertaining to distribution of the software without specific,
* written prior permission. The copyright holders make no representations
* about the suitability of this software for any purpose. It is provided "as
* is" without express or implied warranty.
*
* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
* OF THIS SOFTWARE.
*/
#ifndef _CAIRO_UTIL_H
#define _CAIRO_UTIL_H
#include <stdint.h>
#include <cairo.h>
void
surface_flush_device(cairo_surface_t *surface);
void
tile_mask(cairo_t *cr, cairo_surface_t *surface,
int x, int y, int width, int height, int margin, int top_margin);
void
tile_source(cairo_t *cr, cairo_surface_t *surface,
int x, int y, int width, int height, int margin, int top_margin);
void
rounded_rect(cairo_t *cr, int x0, int y0, int x1, int y1, int radius);
cairo_surface_t *
load_cairo_surface(const char *filename);
struct theme {
cairo_surface_t *active_frame;
cairo_surface_t *inactive_frame;
cairo_surface_t *shadow;
int frame_radius;
int margin;
int width;
int titlebar_height;
};
struct theme *
theme_create(void);
void
theme_destroy(struct theme *t);
enum {
THEME_FRAME_ACTIVE = 1,
THEME_FRAME_MAXIMIZED = 2,
THEME_FRAME_NO_TITLE = 4
};
void
theme_set_background_source(struct theme *t, cairo_t *cr, uint32_t flags);
void
theme_render_frame(struct theme *t,
cairo_t *cr, int width, int height,
const char *title, uint32_t flags);
enum theme_location {
THEME_LOCATION_INTERIOR = 0,
THEME_LOCATION_RESIZING_TOP = 1,
THEME_LOCATION_RESIZING_BOTTOM = 2,
THEME_LOCATION_RESIZING_LEFT = 4,
THEME_LOCATION_RESIZING_TOP_LEFT = 5,
THEME_LOCATION_RESIZING_BOTTOM_LEFT = 6,
THEME_LOCATION_RESIZING_RIGHT = 8,
THEME_LOCATION_RESIZING_TOP_RIGHT = 9,
THEME_LOCATION_RESIZING_BOTTOM_RIGHT = 10,
THEME_LOCATION_RESIZING_MASK = 15,
THEME_LOCATION_EXTERIOR = 16,
THEME_LOCATION_TITLEBAR = 17,
THEME_LOCATION_CLIENT_AREA = 18,
};
enum theme_location
theme_get_location(struct theme *t, int x, int y, int width, int height, int flags);
struct frame;
enum frame_status {
FRAME_STATUS_NONE = 0,
FRAME_STATUS_REPAINT = 0x1,
FRAME_STATUS_MINIMIZE = 0x2,
FRAME_STATUS_MAXIMIZE = 0x4,
FRAME_STATUS_CLOSE = 0x8,
FRAME_STATUS_MENU = 0x10,
FRAME_STATUS_RESIZE = 0x20,
FRAME_STATUS_MOVE = 0x40,
FRAME_STATUS_ALL = 0x7f
};
enum frame_flag {
FRAME_FLAG_ACTIVE = 0x1,
FRAME_FLAG_MAXIMIZED = 0x2
};
enum {
FRAME_BUTTON_NONE = 0,
FRAME_BUTTON_CLOSE = 0x1,
FRAME_BUTTON_MAXIMIZE = 0x2,
FRAME_BUTTON_MINIMIZE = 0x4,
FRAME_BUTTON_ALL = 0x7
};
enum frame_button_state {
FRAME_BUTTON_RELEASED = 0,
FRAME_BUTTON_PRESSED = 1
};
struct frame *
frame_create(struct theme *t, int32_t width, int32_t height, uint32_t buttons,
const char *title);
void
frame_destroy(struct frame *frame);
/* May set FRAME_STATUS_REPAINT */
int
frame_set_title(struct frame *frame, const char *title);
/* May set FRAME_STATUS_REPAINT */
void
frame_set_flag(struct frame *frame, enum frame_flag flag);
/* May set FRAME_STATUS_REPAINT */
void
frame_unset_flag(struct frame *frame, enum frame_flag flag);
/* May set FRAME_STATUS_REPAINT */
void
frame_resize(struct frame *frame, int32_t width, int32_t height);
/* May set FRAME_STATUS_REPAINT */
void
frame_resize_inside(struct frame *frame, int32_t width, int32_t height);
int32_t
frame_width(struct frame *frame);
int32_t
frame_height(struct frame *frame);
void
frame_interior(struct frame *frame, int32_t *x, int32_t *y,
int32_t *width, int32_t *height);
void
frame_input_rect(struct frame *frame, int32_t *x, int32_t *y,
int32_t *width, int32_t *height);
void
frame_opaque_rect(struct frame *frame, int32_t *x, int32_t *y,
int32_t *width, int32_t *height);
int
frame_get_shadow_margin(struct frame *frame);
uint32_t
frame_status(struct frame *frame);
void
frame_status_clear(struct frame *frame, enum frame_status status);
/* May set FRAME_STATUS_REPAINT */
enum theme_location
frame_pointer_enter(struct frame *frame, void *pointer, int x, int y);
/* May set FRAME_STATUS_REPAINT */
enum theme_location
frame_pointer_motion(struct frame *frame, void *pointer, int x, int y);
/* May set FRAME_STATUS_REPAINT */
void
frame_pointer_leave(struct frame *frame, void *pointer);
/* Call to indicate that a button has been pressed/released. The return
* value for a button release will be the same as for the corresponding
* press. This allows you to more easily track grabs. If you want the
* actual location, simply keep the location from the last
* frame_pointer_motion call.
*
* May set:
* FRAME_STATUS_MINIMIZE
* FRAME_STATUS_MAXIMIZE
* FRAME_STATUS_CLOSE
* FRAME_STATUS_MENU
* FRAME_STATUS_RESIZE
* FRAME_STATUS_MOVE
*/
enum theme_location
frame_pointer_button(struct frame *frame, void *pointer,
uint32_t button, enum frame_button_state state);
void
frame_touch_down(struct frame *frame, void *data, int32_t id, int x, int y);
void
frame_touch_up(struct frame *frame, void *data, int32_t id);
void
frame_repaint(struct frame *frame, cairo_t *cr);
#endif