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