uspace/app/nav/menu.c

   1 /*
   2  * Copyright (c) 2023 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 nav
  30  * @{
  31  */
  32 /** @file Navigator.
  33  *
  34  * HelenOS file manager.
  35  */
  36
  37 #include <errno.h>
  38 #include <stdlib.h>
  39 #include <ui/menu.h>
  40 #include <ui/menubar.h>
  41 #include <ui/menudd.h>
  42 #include <ui/menuentry.h>
  43 #include "menu.h"
  44 #include "nav.h"
  45
  46 /** Create navigator menu.
  47  *
  48  * @param window Navigator window
  49  * @param rmenu Place to store pointer to new menu
  50  * @return EOK on success or an error code
  51  */
  52 errno_t nav_menu_create(ui_window_t *window, nav_menu_t **rmenu)
  53 {
  54         nav_menu_t *menu;
  55         ui_menu_t *mfile;
  56         ui_menu_entry_t *mopen;
  57         ui_menu_entry_t *mfsep;
  58         ui_menu_entry_t *mexit;
  59         gfx_rect_t arect;
  60         gfx_rect_t rect;
  61         errno_t rc;
  62
  63         menu = calloc(1, sizeof(nav_menu_t));
  64         if (menu == NULL)
  65                 return ENOMEM;
  66
  67         menu->window = window;
  68         menu->ui = ui_window_get_ui(window);
  69
  70         rc = ui_menu_bar_create(menu->ui, menu->window,
  71             &menu->menubar);
  72         if (rc != EOK)
  73                 goto error;
  74
  75         rc = ui_menu_dd_create(menu->menubar, "~F~ile", NULL, &mfile);
  76         if (rc != EOK)
  77                 goto error;
  78
  79         rc = ui_menu_entry_create(mfile, "~O~pen", "Enter", &mopen);
  80         if (rc != EOK)
  81                 goto error;
  82
  83         ui_menu_entry_set_cb(mopen, nav_menu_file_open, (void *) menu);
  84
  85         rc = ui_menu_entry_sep_create(mfile, &mfsep);
  86         if (rc != EOK)
  87                 goto error;
  88
  89         rc = ui_menu_entry_create(mfile, "E~x~it", "Ctrl-Q", &mexit);
  90         if (rc != EOK)
  91                 goto error;
  92
  93         ui_menu_entry_set_cb(mexit, nav_menu_file_exit, (void *) menu);
  94
  95         ui_window_get_app_rect(menu->window, &arect);
  96
  97         rect.p0 = arect.p0;
  98         rect.p1.x = arect.p1.x;
  99         rect.p1.y = arect.p0.y + 1;
 100         ui_menu_bar_set_rect(menu->menubar, &rect);
 101
 102         *rmenu = menu;
 103         return EOK;
 104 error:
 105         nav_menu_destroy(menu);
 106         return rc;
 107 }
 108
 109 /** Set navigator menu callbacks.
 110  *
 111  * @param menu Menu
 112  * @param cb Callbacks
 113  * @param arg Argument to callback functions
 114  */
 115 void nav_menu_set_cb(nav_menu_t *menu, nav_menu_cb_t *cb, void *arg)
 116 {
 117         menu->cb = cb;
 118         menu->cb_arg = arg;
 119 }
 120
 121 /** Destroy navigator menu.
 122  *
 123  * @param menu Menu
 124  */
 125 void nav_menu_destroy(nav_menu_t *menu)
 126 {
 127         if (menu->menubar != NULL)
 128                 ui_menu_bar_destroy(menu->menubar);
 129
 130         free(menu);
 131 }
 132
 133 /** Return base UI control for the menu bar.
 134  *
 135  * @param menu Navigator menu
 136  * @return UI control
 137  */
 138 ui_control_t *nav_menu_ctl(nav_menu_t *menu)
 139 {
 140         return ui_menu_bar_ctl(menu->menubar);
 141 }
 142
 143 /** File / Open menu entry selected.
 144  *
 145  * @param mentry Menu entry
 146  * @param arg Argument (navigator_t *)
 147  */
 148 void nav_menu_file_open(ui_menu_entry_t *mentry, void *arg)
 149 {
 150         nav_menu_t *menu = (nav_menu_t *)arg;
 151
 152         if (menu->cb != NULL && menu->cb->file_open != NULL)
 153                 menu->cb->file_open(menu->cb_arg);
 154 }
 155
 156 /** File / Exit menu entry selected.
 157  *
 158  * @param mentry Menu entry
 159  * @param arg Argument (navigator_t *)
 160  */
 161 void nav_menu_file_exit(ui_menu_entry_t *mentry, void *arg)
 162 {
 163         nav_menu_t *menu = (nav_menu_t *)arg;
 164
 165         if (menu->cb != NULL && menu->cb->file_exit != NULL)
 166                 menu->cb->file_exit(menu->cb_arg);
 167 }
 168
 169 /** @}
 170  */