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ce0d2c2966
Add optional drop-shadows to windows using server-side decoration. Shadows can be enabled/disabled rc.xml and their appearance configured in themerc. The default is no shadows to preserve current behaviour. The shadows are drawn in fixed corner and edge buffers shared between all windows, the edges are scaled to size depending on the size of each window. Two sets of buffers are used to give the different appearances for active and inactive windows. I use separate corner/edge buffers for a few reasons: - It avoids needing to store a separate large shadow buffer per window - It avoids needing to redraw the shadows when the window is being resized - Compositing the shadows onto the desktop should be faster as there are overall fewer pixels to blend, and scaling up the edge buffers only requires reading a tiny buffer which is then replicated.
161 lines
4.9 KiB
C
161 lines
4.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Theme engine for labwc
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*
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* Copyright Johan Malm 2020-2021
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*/
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#ifndef LABWC_THEME_H
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#define LABWC_THEME_H
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#include <stdio.h>
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#include <wlr/render/wlr_renderer.h>
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enum lab_justification {
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LAB_JUSTIFY_LEFT,
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LAB_JUSTIFY_CENTER,
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LAB_JUSTIFY_RIGHT,
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};
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struct theme_snapping_overlay {
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bool bg_enabled;
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bool border_enabled;
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float bg_color[4];
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int border_width;
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float border_color[3][4];
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};
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struct theme {
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int border_width;
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int padding_height;
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int title_height;
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int menu_overlap_x;
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int menu_overlap_y;
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/* colors */
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float window_active_border_color[4];
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float window_inactive_border_color[4];
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float window_toggled_keybinds_color[4];
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float window_active_title_bg_color[4];
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float window_inactive_title_bg_color[4];
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float window_active_label_text_color[4];
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float window_inactive_label_text_color[4];
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enum lab_justification window_label_text_justify;
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/* button colors */
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float window_active_button_menu_unpressed_image_color[4];
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float window_active_button_iconify_unpressed_image_color[4];
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float window_active_button_max_unpressed_image_color[4];
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float window_active_button_close_unpressed_image_color[4];
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float window_inactive_button_menu_unpressed_image_color[4];
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float window_inactive_button_iconify_unpressed_image_color[4];
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float window_inactive_button_max_unpressed_image_color[4];
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float window_inactive_button_close_unpressed_image_color[4];
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/* TODO: add pressed and hover colors for buttons */
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int menu_item_padding_x;
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int menu_item_padding_y;
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float menu_items_bg_color[4];
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float menu_items_text_color[4];
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float menu_items_active_bg_color[4];
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float menu_items_active_text_color[4];
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int menu_min_width;
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int menu_max_width;
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int menu_separator_line_thickness;
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int menu_separator_padding_width;
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int menu_separator_padding_height;
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float menu_separator_color[4];
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int osd_border_width;
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float osd_bg_color[4];
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float osd_border_color[4];
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float osd_label_text_color[4];
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int osd_window_switcher_width;
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int osd_window_switcher_padding;
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int osd_window_switcher_item_padding_x;
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int osd_window_switcher_item_padding_y;
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int osd_window_switcher_item_active_border_width;
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bool osd_window_switcher_width_is_percent;
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int osd_window_switcher_preview_border_width;
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float osd_window_switcher_preview_border_color[3][4];
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int osd_workspace_switcher_boxes_width;
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int osd_workspace_switcher_boxes_height;
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struct theme_snapping_overlay
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snapping_overlay_region, snapping_overlay_edge;
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/* window drop-shadows */
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int window_active_shadow_size;
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int window_inactive_shadow_size;
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float window_active_shadow_color[4];
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float window_inactive_shadow_color[4];
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/* textures */
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struct lab_data_buffer *button_close_active_unpressed;
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struct lab_data_buffer *button_maximize_active_unpressed;
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struct lab_data_buffer *button_restore_active_unpressed;
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struct lab_data_buffer *button_iconify_active_unpressed;
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struct lab_data_buffer *button_menu_active_unpressed;
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struct lab_data_buffer *button_close_inactive_unpressed;
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struct lab_data_buffer *button_maximize_inactive_unpressed;
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struct lab_data_buffer *button_restore_inactive_unpressed;
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struct lab_data_buffer *button_iconify_inactive_unpressed;
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struct lab_data_buffer *button_menu_inactive_unpressed;
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/* hover variants are optional and may be NULL */
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struct lab_data_buffer *button_close_active_hover;
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struct lab_data_buffer *button_maximize_active_hover;
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struct lab_data_buffer *button_restore_active_hover;
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struct lab_data_buffer *button_iconify_active_hover;
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struct lab_data_buffer *button_menu_active_hover;
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struct lab_data_buffer *button_close_inactive_hover;
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struct lab_data_buffer *button_maximize_inactive_hover;
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struct lab_data_buffer *button_restore_inactive_hover;
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struct lab_data_buffer *button_iconify_inactive_hover;
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struct lab_data_buffer *button_menu_inactive_hover;
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struct lab_data_buffer *corner_top_left_active_normal;
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struct lab_data_buffer *corner_top_right_active_normal;
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struct lab_data_buffer *corner_top_left_inactive_normal;
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struct lab_data_buffer *corner_top_right_inactive_normal;
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struct lab_data_buffer *shadow_corner_top_active;
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struct lab_data_buffer *shadow_corner_bottom_active;
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struct lab_data_buffer *shadow_edge_active;
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struct lab_data_buffer *shadow_corner_top_inactive;
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struct lab_data_buffer *shadow_corner_bottom_inactive;
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struct lab_data_buffer *shadow_edge_inactive;
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/* not set in rc.xml/themerc, but derived from font & padding_height */
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int osd_window_switcher_item_height;
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};
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struct server;
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/**
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* theme_init - read openbox theme and generate button textures
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* @theme: theme data
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* @server: server
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* @theme_name: theme-name in <theme-dir>/<theme-name>/openbox-3/themerc
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* Note <theme-dir> is obtained in theme-dir.c
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*/
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void theme_init(struct theme *theme, struct server *server, const char *theme_name);
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/**
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* theme_finish - free button textures
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* @theme: theme data
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*/
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void theme_finish(struct theme *theme);
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#endif /* LABWC_THEME_H */
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