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/*
* 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
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