Changeset b8b64a8 in mainline for uspace/lib/ui/src/menuentry.c

Timestamp:

2021-04-12T15:52:12Z (4 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

6186f9f

Parents:

d65accb

Message:

Add column with keyboard shortcuts to menu

File:

• uspace/lib/ui/src/menuentry.c (modified) (9 diffs)

uspace/lib/ui/src/menuentry.c

@@ -54 +54 @@
         menu_entry_hpad = 4,
         menu_entry_vpad = 4,
+        menu_entry_column_pad = 8,
         menu_entry_hpad_text = 1,
-        menu_entry_vpad_text = 0
+        menu_entry_vpad_text = 0,
+        menu_entry_column_pad_text = 2
 };
 
@@ -62 +64 @@
  * @param menu Menu
  * @param caption Caption
+ * @param shortcut Shotcut key(s) or empty string
  * @param rmentry Place to store pointer to new menu entry
  * @return EOK on success, ENOMEM if out of memory
  */
 errno_t ui_menu_entry_create(ui_menu_t *menu, const char *caption,
-    ui_menu_entry_t **rmentry)
+    const char *shortcut, ui_menu_entry_t **rmentry)
 {
         ui_menu_entry_t *mentry;
-        gfx_coord_t width;
+        gfx_coord_t caption_w;
+        gfx_coord_t shortcut_w;
 
         mentry = calloc(1, sizeof(ui_menu_entry_t));
@@ -81 +85 @@
         }
 
+        mentry->shortcut = str_dup(shortcut);
+        if (mentry->caption == NULL) {
+                free(mentry->caption);
+                free(mentry);
+                return ENOMEM;
+        }
+
         mentry->menu = menu;
         list_append(&mentry->lentries, &menu->entries);
 
         /* Update accumulated menu entry dimensions */
-        width = ui_menu_entry_width(mentry);
-        if (width > menu->max_w)
-                menu->max_w = width;
+        ui_menu_entry_column_widths(mentry, &caption_w, &shortcut_w);
+        if (caption_w > menu->max_caption_w)
+                menu->max_caption_w = caption_w;
+        if (shortcut_w > menu->max_shortcut_w)
+                menu->max_shortcut_w = shortcut_w;
         menu->total_h += ui_menu_entry_height(mentry);
 
@@ -156 +169 @@
  *
  * @param mentry Menu entry
+ * @param caption_w Place to store caption width
+ * @param shortcut_w Place to store shortcut width
+ */
+void ui_menu_entry_column_widths(ui_menu_entry_t *mentry,
+    gfx_coord_t *caption_w, gfx_coord_t *shortcut_w)
+{
+        ui_resource_t *res;
+
+        res = mentry->menu->mbar->res;
+
+        *caption_w = gfx_text_width(res->font, mentry->caption);
+        *shortcut_w = gfx_text_width(res->font, mentry->shortcut);
+}
+
+/** Compute width of menu entry.
+ *
+ * @param menu Menu
+ * @param caption_w Widht of caption text
+ * @param shortcut_w Width of shortcut text
  * @return Width in pixels
  */
-gfx_coord_t ui_menu_entry_width(ui_menu_entry_t *mentry)
+gfx_coord_t ui_menu_entry_calc_width(ui_menu_t *menu, gfx_coord_t caption_w,
+    gfx_coord_t shortcut_w)
 {
         ui_resource_t *res;
         gfx_coord_t hpad;
-
-        res = mentry->menu->mbar->res;
-
-        if (res->textmode) {
+        gfx_coord_t width;
+
+        res = menu->mbar->res;
+
+        if (res->textmode)
                 hpad = menu_entry_hpad_text;
-        } else {
+        else
                 hpad = menu_entry_hpad;
-        }
-
-        return gfx_text_width(res->font, mentry->caption) + 2 * hpad;
+
+        width = caption_w + 2 * hpad;
+
+        if (shortcut_w != 0) {
+                if (res->textmode)
+                        width += menu_entry_column_pad_text;
+                else
+                        width += menu_entry_column_pad;
+
+                width += shortcut_w;
+        }
+
+        return width;
 }
 
@@ -210 +254 @@
         gfx_text_fmt_t fmt;
         gfx_color_t *bg_color;
-        const char *caption;
         ui_menu_entry_geom_t geom;
         errno_t rc;
@@ -221 +264 @@
         fmt.halign = gfx_halign_left;
         fmt.valign = gfx_valign_top;
-
-        caption = mentry->caption;
 
         if ((mentry->held && mentry->inside) ||
@@ -241 +282 @@
                 goto error;
 
-        rc = gfx_puttext(res->font, &geom.text_pos, &fmt, caption);
+        rc = gfx_puttext(res->font, &geom.caption_pos, &fmt, mentry->caption);
+        if (rc != EOK)
+                goto error;
+
+        fmt.halign = gfx_halign_right;
+
+        rc = gfx_puttext(res->font, &geom.shortcut_pos, &fmt, mentry->shortcut);
         if (rc != EOK)
                 goto error;
@@ -400 +447 @@
         }
 
-        width = mentry->menu->max_w;
-        geom->text_pos.x = pos->x + hpad;
-        geom->text_pos.y = pos->y + vpad;
+        /* Compute total width of menu entry */
+        width = ui_menu_entry_calc_width(mentry->menu,
+            mentry->menu->max_caption_w, mentry->menu->max_shortcut_w);
 
         geom->outer_rect.p0 = *pos;
@@ -408 +455 @@
         geom->outer_rect.p1.y = geom->outer_rect.p0.y +
             ui_menu_entry_height(mentry);
+
+        geom->caption_pos.x = pos->x + hpad;
+        geom->caption_pos.y = pos->y + vpad;
+
+        geom->shortcut_pos.x = geom->outer_rect.p1.x - hpad;
+        geom->shortcut_pos.y = pos->y + vpad;
 }