1 /* 2 * Copyright © 2008 Kristian Høgsberg 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining 5 * a copy of this software and associated documentation files (the 6 * "Software"), to deal in the Software without restriction, including 7 * without limitation the rights to use, copy, modify, merge, publish, 8 * distribute, sublicense, and/or sell copies of the Software, and to 9 * permit persons to whom the Software is furnished to do so, subject to 10 * the following conditions: 11 * 12 * The above copyright notice and this permission notice (including the 13 * next paragraph) shall be included in all copies or substantial 14 * portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 17 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 19 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 20 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 21 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 22 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 23 * SOFTWARE. 24 */ 25 26 #ifndef _CAIRO_UTIL_H 27 #define _CAIRO_UTIL_H 28 29 #include <stdint.h> 30 #include <cairo.h> 31 32 #include <wayland-client.h> 33 #include <wayland-util.h> 34 35 void 36 surface_flush_device(cairo_surface_t *surface); 37 38 void 39 render_shadow(cairo_t *cr, cairo_surface_t *surface, 40 int x, int y, int width, int height, int margin, int top_margin); 41 42 void 43 tile_source(cairo_t *cr, cairo_surface_t *surface, 44 int x, int y, int width, int height, int margin, int top_margin); 45 46 void 47 rounded_rect(cairo_t *cr, int x0, int y0, int x1, int y1, int radius); 48 49 cairo_surface_t * 50 load_cairo_surface(const char *filename); 51 52 struct theme { 53 cairo_surface_t *active_frame; 54 cairo_surface_t *inactive_frame; 55 cairo_surface_t *shadow; 56 int frame_radius; 57 int margin; 58 int width; 59 int titlebar_height; 60 }; 61 62 struct theme * 63 theme_create(void); 64 void 65 theme_destroy(struct theme *t); 66 67 enum { 68 THEME_FRAME_ACTIVE = 1, 69 THEME_FRAME_MAXIMIZED = 2, 70 THEME_FRAME_NO_TITLE = 4 71 }; 72 73 void 74 theme_set_background_source(struct theme *t, cairo_t *cr, uint32_t flags); 75 void 76 theme_render_frame(struct theme *t, 77 cairo_t *cr, int width, int height, 78 const char *title, cairo_rectangle_int_t *title_rect, 79 struct wl_list *buttons, uint32_t flags); 80 81 enum theme_location { 82 THEME_LOCATION_INTERIOR = 0, 83 THEME_LOCATION_RESIZING_TOP = 1, 84 THEME_LOCATION_RESIZING_BOTTOM = 2, 85 THEME_LOCATION_RESIZING_LEFT = 4, 86 THEME_LOCATION_RESIZING_TOP_LEFT = 5, 87 THEME_LOCATION_RESIZING_BOTTOM_LEFT = 6, 88 THEME_LOCATION_RESIZING_RIGHT = 8, 89 THEME_LOCATION_RESIZING_TOP_RIGHT = 9, 90 THEME_LOCATION_RESIZING_BOTTOM_RIGHT = 10, 91 THEME_LOCATION_RESIZING_MASK = 15, 92 THEME_LOCATION_EXTERIOR = 16, 93 THEME_LOCATION_TITLEBAR = 17, 94 THEME_LOCATION_CLIENT_AREA = 18, 95 }; 96 97 enum theme_location 98 theme_get_location(struct theme *t, int x, int y, int width, int height, int flags); 99 100 struct frame; 101 102 enum frame_status { 103 FRAME_STATUS_NONE = 0, 104 FRAME_STATUS_REPAINT = 0x1, 105 FRAME_STATUS_MINIMIZE = 0x2, 106 FRAME_STATUS_MAXIMIZE = 0x4, 107 FRAME_STATUS_CLOSE = 0x8, 108 FRAME_STATUS_MENU = 0x10, 109 FRAME_STATUS_RESIZE = 0x20, 110 FRAME_STATUS_MOVE = 0x40, 111 FRAME_STATUS_ALL = 0x7f 112 }; 113 114 enum frame_flag { 115 FRAME_FLAG_ACTIVE = 0x1, 116 FRAME_FLAG_MAXIMIZED = 0x2 117 }; 118 119 enum { 120 FRAME_BUTTON_NONE = 0, 121 FRAME_BUTTON_CLOSE = 0x1, 122 FRAME_BUTTON_MAXIMIZE = 0x2, 123 FRAME_BUTTON_MINIMIZE = 0x4, 124 FRAME_BUTTON_ALL = 0x7 125 }; 126 127 struct frame * 128 frame_create(struct theme *t, int32_t width, int32_t height, uint32_t buttons, 129 const char *title, cairo_surface_t *icon); 130 131 void 132 frame_destroy(struct frame *frame); 133 134 /* May set FRAME_STATUS_REPAINT */ 135 int 136 frame_set_title(struct frame *frame, const char *title); 137 138 /* May set FRAME_STATUS_REPAINT */ 139 void 140 frame_set_icon(struct frame *frame, cairo_surface_t *icon); 141 142 /* May set FRAME_STATUS_REPAINT */ 143 void 144 frame_set_flag(struct frame *frame, enum frame_flag flag); 145 146 /* May set FRAME_STATUS_REPAINT */ 147 void 148 frame_unset_flag(struct frame *frame, enum frame_flag flag); 149 150 /* May set FRAME_STATUS_REPAINT */ 151 void 152 frame_resize(struct frame *frame, int32_t width, int32_t height); 153 154 /* May set FRAME_STATUS_REPAINT */ 155 void 156 frame_resize_inside(struct frame *frame, int32_t width, int32_t height); 157 158 int32_t 159 frame_width(struct frame *frame); 160 161 int32_t 162 frame_height(struct frame *frame); 163 164 void 165 frame_interior(struct frame *frame, int32_t *x, int32_t *y, 166 int32_t *width, int32_t *height); 167 void 168 frame_input_rect(struct frame *frame, int32_t *x, int32_t *y, 169 int32_t *width, int32_t *height); 170 void 171 frame_opaque_rect(struct frame *frame, int32_t *x, int32_t *y, 172 int32_t *width, int32_t *height); 173 174 int 175 frame_get_shadow_margin(struct frame *frame); 176 177 uint32_t 178 frame_status(struct frame *frame); 179 180 void 181 frame_status_clear(struct frame *frame, enum frame_status status); 182 183 /* May set FRAME_STATUS_REPAINT */ 184 enum theme_location 185 frame_pointer_enter(struct frame *frame, void *pointer, int x, int y); 186 187 /* May set FRAME_STATUS_REPAINT */ 188 enum theme_location 189 frame_pointer_motion(struct frame *frame, void *pointer, int x, int y); 190 191 /* May set FRAME_STATUS_REPAINT */ 192 void 193 frame_pointer_leave(struct frame *frame, void *pointer); 194 195 /* Call to indicate that a button has been pressed/released. The return 196 * value for a button release will be the same as for the corresponding 197 * press. This allows you to more easily track grabs. If you want the 198 * actual location, simply keep the location from the last 199 * frame_pointer_motion call. 200 * 201 * May set: 202 * FRAME_STATUS_MINIMIZE 203 * FRAME_STATUS_MAXIMIZE 204 * FRAME_STATUS_CLOSE 205 * FRAME_STATUS_MENU 206 * FRAME_STATUS_RESIZE 207 * FRAME_STATUS_MOVE 208 */ 209 enum theme_location 210 frame_pointer_button(struct frame *frame, void *pointer, 211 uint32_t button, enum wl_pointer_button_state state); 212 213 enum theme_location 214 frame_touch_down(struct frame *frame, void *data, int32_t id, int x, int y); 215 216 void 217 frame_touch_up(struct frame *frame, void *data, int32_t id); 218 219 enum theme_location 220 frame_double_click(struct frame *frame, void *pointer, 221 uint32_t button, enum wl_pointer_button_state state); 222 223 void 224 frame_double_touch_down(struct frame *frame, void *data, int32_t id, 225 int x, int y); 226 227 void 228 frame_double_touch_up(struct frame *frame, void *data, int32_t id); 229 230 void 231 frame_repaint(struct frame *frame, cairo_t *cr); 232 233 #endif 234