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synced 2025-11-03 09:01:51 -05:00
menu: Dynamically adjust menu width based on widest item
Adds two new theme vars: - menu.width.min (menu will never be smaller than this) - menu.width.max (menu will never be wider than this + padding) A fixed menu width can be achieved by setting menu.width.min == menu.width.max.
This commit is contained in:
Consolatis
Johan Malm
parent
f0666ba5c9
commit
d00327bc32
7 changed files with 115 additions and 14 deletions
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@ -17,14 +17,13 @@
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#include "common/mem.h"
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#include "common/nodename.h"
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#include "common/scaled_font_buffer.h"
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#include "common/scene-helpers.h"
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#include "common/string-helpers.h"
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#include "labwc.h"
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#include "menu/menu.h"
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#include "node.h"
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#include "theme.h"
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#define MENUWIDTH (110)
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/* state-machine variables for processing <item></item> */
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static bool in_item;
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static struct menuitem *current_item;
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@ -52,7 +51,7 @@ menu_create(struct server *server, const char *id, const char *label)
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menu->label = xstrdup(label ? label : id);
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menu->parent = current_menu;
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menu->server = server;
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menu->size.width = MENUWIDTH;
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menu->size.width = server->theme->menu_min_width;
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/* menu->size.height will be kept up to date by adding items */
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menu->scene_tree = wlr_scene_tree_create(server->menu_tree);
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wlr_scene_node_set_enabled(&menu->scene_tree->node, false);
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@ -75,6 +74,59 @@ menu_get_by_id(const char *id)
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return NULL;
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}
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static void
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menu_update_width(struct menu *menu)
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{
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struct menuitem *item;
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struct theme *theme = menu->server->theme;
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int max_width = theme->menu_min_width;
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/* Get widest menu item, clamped by menu_max_width */
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wl_list_for_each(item, &menu->menuitems, link) {
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if (item->native_width > max_width) {
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max_width = item->native_width < theme->menu_max_width
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? item->native_width : theme->menu_max_width;
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}
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}
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menu->size.width = max_width + 2 * theme->menu_item_padding_x;
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/* Update all items for the new size */
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wl_list_for_each(item, &menu->menuitems, link) {
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wlr_scene_rect_set_size(
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lab_wlr_scene_get_rect(item->normal.background),
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menu->size.width, item->height);
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if (!item->selected.background) {
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/* This is a separator. They don't have a selected background. */
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wlr_scene_rect_set_size(
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lab_wlr_scene_get_rect(item->normal.text),
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menu->size.width - 2 * theme->menu_separator_padding_width,
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theme->menu_separator_line_thickness);
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} else {
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/* Usual menu item */
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wlr_scene_rect_set_size(
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lab_wlr_scene_get_rect(item->selected.background),
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menu->size.width, item->height);
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if (item->native_width > max_width || item->submenu) {
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scaled_font_buffer_set_max_width(item->normal.buffer,
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max_width);
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scaled_font_buffer_set_max_width(item->selected.buffer,
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max_width);
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}
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}
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}
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}
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static void
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post_processing(struct server *server)
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{
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struct menu *menu;
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for (int i = 0; i < nr_menus; ++i) {
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menu = menus + i;
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menu_update_width(menu);
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}
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}
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static struct menuitem *
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item_create(struct menu *menu, const char *text, bool show_arrow)
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{
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@ -84,6 +136,8 @@ item_create(struct menu *menu, const char *text, bool show_arrow)
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struct server *server = menu->server;
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struct theme *theme = server->theme;
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const char *arrow = show_arrow ? "›" : NULL;
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if (!menu->item_height) {
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menu->item_height = font_height(&rc.font_menuitem)
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+ 2 * theme->menu_item_padding_y;
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@ -91,7 +145,10 @@ item_create(struct menu *menu, const char *text, bool show_arrow)
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menuitem->height = menu->item_height;
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int x, y;
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int item_max_width = MENUWIDTH - 2 * theme->menu_item_padding_x;
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menuitem->native_width = font_width(&rc.font_menuitem, text);
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if (arrow) {
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menuitem->native_width += font_width(&rc.font_menuitem, arrow);
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}
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/* Menu item root node */
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menuitem->tree = wlr_scene_tree_create(menu->scene_tree);
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@ -105,11 +162,11 @@ item_create(struct menu *menu, const char *text, bool show_arrow)
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/* Item background nodes */
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menuitem->normal.background = &wlr_scene_rect_create(
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menuitem->normal.tree,
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MENUWIDTH, menu->item_height,
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menu->size.width, menu->item_height,
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theme->menu_items_bg_color)->node;
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menuitem->selected.background = &wlr_scene_rect_create(
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menuitem->selected.tree,
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MENUWIDTH, menu->item_height,
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menu->size.width, menu->item_height,
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theme->menu_items_active_bg_color)->node;
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/* Font nodes */
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@ -129,10 +186,9 @@ item_create(struct menu *menu, const char *text, bool show_arrow)
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menuitem->selected.text = &menuitem->selected.buffer->scene_buffer->node;
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/* Font buffers */
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const char *arrow = show_arrow ? "›" : NULL;
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scaled_font_buffer_update(menuitem->normal.buffer, text, item_max_width,
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scaled_font_buffer_update(menuitem->normal.buffer, text, menuitem->native_width,
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&rc.font_menuitem, theme->menu_items_text_color, arrow);
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scaled_font_buffer_update(menuitem->selected.buffer, text, item_max_width,
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scaled_font_buffer_update(menuitem->selected.buffer, text, menuitem->native_width,
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&rc.font_menuitem, theme->menu_items_active_text_color, arrow);
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/* Center font nodes */
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@ -173,10 +229,10 @@ separator_create(struct menu *menu, const char *label)
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menuitem->normal.tree = wlr_scene_tree_create(menuitem->tree);
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menuitem->normal.background = &wlr_scene_rect_create(
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menuitem->normal.tree,
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MENUWIDTH, menuitem->height,
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menu->size.width, menuitem->height,
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theme->menu_items_bg_color)->node;
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int width = MENUWIDTH - 2 * theme->menu_separator_padding_width;
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int width = menu->size.width - 2 * theme->menu_separator_padding_width;
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menuitem->normal.text = &wlr_scene_rect_create(
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menuitem->normal.tree,
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width > 0 ? width : 0,
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@ -511,7 +567,7 @@ menu_configure(struct menu *menu, int lx, int ly, enum menu_align align)
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}
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if (align & LAB_MENU_OPEN_LEFT) {
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lx -= MENUWIDTH - theme->menu_overlap_x;
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lx -= menu->size.width - theme->menu_overlap_x;
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}
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if (align & LAB_MENU_OPEN_TOP) {
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ly -= menu->size.height;
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@ -530,7 +586,7 @@ menu_configure(struct menu *menu, int lx, int ly, enum menu_align align)
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continue;
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}
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if (align & LAB_MENU_OPEN_RIGHT) {
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new_lx = lx + MENUWIDTH - theme->menu_overlap_x;
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new_lx = lx + menu->size.width - theme->menu_overlap_x;
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} else {
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new_lx = lx;
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}
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@ -642,6 +698,7 @@ menu_init(struct server *server)
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{
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init_rootmenu(server);
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init_windowmenu(server);
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post_processing(server);
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}
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void
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