source: mainline/uspace/lib/ui/src/menubar.c@ c68c18b9

serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since c68c18b9 was c68c18b9, checked in by jxsvoboda <5887334+jxsvoboda@…>, 4 years ago

Specify parent window when creating popup

This will be used in conjunction with ui_wnd_popup_params_t.place
(a rectangle relative to the parent window) to determine where on
the screen the popup window should appear.
  • Property mode set to 100644
File size: 8.2 KB
Line 
1/*
2 * Copyright (c) 2021 Jiri Svoboda
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29/** @addtogroup libui
30 * @{
31 */
32/**
33 * @file Menu bar
34 */
35
36#include <adt/list.h>
37#include <errno.h>
38#include <gfx/color.h>
39#include <gfx/context.h>
40#include <gfx/render.h>
41#include <gfx/text.h>
42#include <io/pos_event.h>
43#include <stdlib.h>
44#include <str.h>
45#include <ui/control.h>
46#include <ui/paint.h>
47#include <ui/menu.h>
48#include <ui/menubar.h>
49#include <ui/window.h>
50#include "../private/menubar.h"
51#include "../private/resource.h"
52
53enum {
54 menubar_hpad = 4,
55 menubar_vpad = 4,
56 menubar_hpad_text = 1,
57 menubar_vpad_text = 0
58};
59
60static void ui_menu_bar_ctl_destroy(void *);
61static errno_t ui_menu_bar_ctl_paint(void *);
62static ui_evclaim_t ui_menu_bar_ctl_pos_event(void *, pos_event_t *);
63static void ui_menu_bar_ctl_unfocus(void *);
64
65/** Menu bar control ops */
66ui_control_ops_t ui_menu_bar_ops = {
67 .destroy = ui_menu_bar_ctl_destroy,
68 .paint = ui_menu_bar_ctl_paint,
69 .pos_event = ui_menu_bar_ctl_pos_event,
70 .unfocus = ui_menu_bar_ctl_unfocus
71};
72
73/** Create new menu bar.
74 *
75 * @param ui UI
76 * @param window Window that will contain the menu bar
77 * @param rmbar Place to store pointer to new menu bar
78 * @return EOK on success, ENOMEM if out of memory
79 */
80errno_t ui_menu_bar_create(ui_t *ui, ui_window_t *window, ui_menu_bar_t **rmbar)
81{
82 ui_menu_bar_t *mbar;
83 errno_t rc;
84
85 mbar = calloc(1, sizeof(ui_menu_bar_t));
86 if (mbar == NULL)
87 return ENOMEM;
88
89 rc = ui_control_new(&ui_menu_bar_ops, (void *) mbar, &mbar->control);
90 if (rc != EOK) {
91 free(mbar);
92 return rc;
93 }
94
95 mbar->ui = ui;
96 mbar->window = window;
97 list_initialize(&mbar->menus);
98 *rmbar = mbar;
99 return EOK;
100}
101
102/** Destroy menu bar
103 *
104 * @param mbar Menu bar or @c NULL
105 */
106void ui_menu_bar_destroy(ui_menu_bar_t *mbar)
107{
108 ui_menu_t *menu;
109
110 if (mbar == NULL)
111 return;
112
113 /* Destroy menus */
114 menu = ui_menu_first(mbar);
115 while (menu != NULL) {
116 ui_menu_destroy(menu);
117 menu = ui_menu_first(mbar);
118 }
119
120 ui_control_delete(mbar->control);
121 free(mbar);
122}
123
124/** Get base control from menu bar.
125 *
126 * @param mbar Menu bar
127 * @return Control
128 */
129ui_control_t *ui_menu_bar_ctl(ui_menu_bar_t *mbar)
130{
131 return mbar->control;
132}
133
134/** Set menu bar rectangle.
135 *
136 * @param mbar Menu bar
137 * @param rect New menu bar rectangle
138 */
139void ui_menu_bar_set_rect(ui_menu_bar_t *mbar, gfx_rect_t *rect)
140{
141 mbar->rect = *rect;
142}
143
144/** Paint menu bar.
145 *
146 * @param mbar Menu bar
147 * @return EOK on success or an error code
148 */
149errno_t ui_menu_bar_paint(ui_menu_bar_t *mbar)
150{
151 ui_resource_t *res;
152 gfx_text_fmt_t fmt;
153 gfx_coord2_t pos;
154 gfx_coord2_t tpos;
155 gfx_rect_t rect;
156 gfx_color_t *bg_color;
157 ui_menu_t *menu;
158 const char *caption;
159 gfx_coord_t width;
160 gfx_coord_t hpad;
161 gfx_coord_t vpad;
162 errno_t rc;
163
164 res = ui_window_get_res(mbar->window);
165
166 /* Paint menu bar background */
167
168 rc = gfx_set_color(res->gc, res->wnd_face_color);
169 if (rc != EOK)
170 goto error;
171
172 rc = gfx_fill_rect(res->gc, &mbar->rect);
173 if (rc != EOK)
174 goto error;
175
176 if (res->textmode) {
177 hpad = menubar_hpad_text;
178 vpad = menubar_vpad_text;
179 } else {
180 hpad = menubar_hpad;
181 vpad = menubar_vpad;
182 }
183
184 pos = mbar->rect.p0;
185
186 gfx_text_fmt_init(&fmt);
187 fmt.halign = gfx_halign_left;
188 fmt.valign = gfx_valign_top;
189
190 menu = ui_menu_first(mbar);
191 while (menu != NULL) {
192 caption = ui_menu_caption(menu);
193 width = gfx_text_width(res->font, caption) + 2 * hpad;
194 tpos.x = pos.x + hpad;
195 tpos.y = pos.y + vpad;
196
197 rect.p0 = pos;
198 rect.p1.x = rect.p0.x + width;
199 rect.p1.y = mbar->rect.p1.y;
200
201 if (menu == mbar->selected) {
202 fmt.color = res->wnd_sel_text_color;
203 bg_color = res->wnd_sel_text_bg_color;
204 } else {
205 fmt.color = res->wnd_text_color;
206 bg_color = res->wnd_face_color;
207 }
208
209 rc = gfx_set_color(res->gc, bg_color);
210 if (rc != EOK)
211 goto error;
212
213 rc = gfx_fill_rect(res->gc, &rect);
214 if (rc != EOK)
215 goto error;
216
217 rc = gfx_puttext(res->font, &tpos, &fmt, caption);
218 if (rc != EOK)
219 goto error;
220
221 pos.x += width;
222 menu = ui_menu_next(menu);
223 }
224
225 rc = gfx_update(res->gc);
226 if (rc != EOK)
227 goto error;
228
229 return EOK;
230error:
231 return rc;
232}
233
234/** Select or deselect menu from menu bar.
235 *
236 * Select @a menu. If @a menu is @c NULL or it is already selected,
237 * then select none.
238 *
239 * @param mbar Menu bar
240 * @param rect Menu bar entry rectangle
241 * @param menu Menu to select (or deselect if selected) or @c NULL
242 */
243void ui_menu_bar_select(ui_menu_bar_t *mbar, gfx_rect_t *rect,
244 ui_menu_t *menu)
245{
246 ui_menu_t *old_menu;
247
248 old_menu = mbar->selected;
249
250 if (mbar->selected != menu)
251 mbar->selected = menu;
252 else
253 mbar->selected = NULL;
254
255 /* Close previously open menu */
256 if (old_menu != NULL)
257 (void) ui_menu_close(old_menu);
258
259 (void) ui_menu_bar_paint(mbar);
260
261 if (mbar->selected != NULL) {
262 (void) ui_menu_open(mbar->selected, rect);
263 }
264}
265
266/** Handle menu bar position event.
267 *
268 * @param mbar Menu bar
269 * @param pos_event Position event
270 * @return @c ui_claimed iff the event is claimed
271 */
272ui_evclaim_t ui_menu_bar_pos_event(ui_menu_bar_t *mbar, pos_event_t *event)
273{
274 ui_resource_t *res;
275 gfx_coord2_t pos;
276 gfx_rect_t rect;
277 ui_menu_t *menu;
278 const char *caption;
279 gfx_coord_t width;
280 gfx_coord_t hpad;
281 gfx_coord2_t ppos;
282
283 res = ui_window_get_res(mbar->window);
284
285 ppos.x = event->hpos;
286 ppos.y = event->vpos;
287
288 if (res->textmode) {
289 hpad = menubar_hpad_text;
290 } else {
291 hpad = menubar_hpad;
292 }
293
294 pos = mbar->rect.p0;
295
296 menu = ui_menu_first(mbar);
297 while (menu != NULL) {
298 caption = ui_menu_caption(menu);
299 width = gfx_text_width(res->font, caption) + 2 * hpad;
300
301 rect.p0 = pos;
302 rect.p1.x = rect.p0.x + width;
303 rect.p1.y = mbar->rect.p1.y;
304
305 /* Check if press is inside menu bar entry */
306 if (event->type == POS_PRESS &&
307 gfx_pix_inside_rect(&ppos, &rect)) {
308 ui_menu_bar_select(mbar, &rect, menu);
309 return ui_claimed;
310 }
311
312 pos.x += width;
313 menu = ui_menu_next(menu);
314 }
315
316 return ui_unclaimed;
317}
318
319/** Handle menu bar window unfocus notification.
320 *
321 * @param mbar Menu bar
322 */
323void ui_menu_bar_unfocus(ui_menu_bar_t *mbar)
324{
325// ui_menu_bar_select(mbar, NULL, NULL);
326}
327
328/** Destroy menu bar control.
329 *
330 * @param arg Argument (ui_menu_bar_t *)
331 */
332void ui_menu_bar_ctl_destroy(void *arg)
333{
334 ui_menu_bar_t *mbar = (ui_menu_bar_t *) arg;
335
336 ui_menu_bar_destroy(mbar);
337}
338
339/** Paint menu bar control.
340 *
341 * @param arg Argument (ui_menu_bar_t *)
342 * @return EOK on success or an error code
343 */
344errno_t ui_menu_bar_ctl_paint(void *arg)
345{
346 ui_menu_bar_t *mbar = (ui_menu_bar_t *) arg;
347
348 return ui_menu_bar_paint(mbar);
349}
350
351/** Handle menu bar control position event.
352 *
353 * @param arg Argument (ui_menu_bar_t *)
354 * @param pos_event Position event
355 * @return @c ui_claimed iff the event is claimed
356 */
357ui_evclaim_t ui_menu_bar_ctl_pos_event(void *arg, pos_event_t *event)
358{
359 ui_menu_bar_t *mbar = (ui_menu_bar_t *) arg;
360
361 return ui_menu_bar_pos_event(mbar, event);
362}
363
364/** Handle menu bar control window unfocus notification.
365 *
366 * @param arg Argument (ui_menu_bar_t *)
367 */
368void ui_menu_bar_ctl_unfocus(void *arg)
369{
370 ui_menu_bar_t *mbar = (ui_menu_bar_t *) arg;
371
372 ui_menu_bar_unfocus(mbar);
373}
374
375/** @}
376 */
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