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Calculate config->font_height based on existing container titles
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parent
b667298a0a
commit
55b307cddf
5 changed files with 91 additions and 16 deletions
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@ -304,7 +304,7 @@ struct sway_config {
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enum sway_container_layout default_orientation;
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enum sway_container_layout default_layout;
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char *font;
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int font_height;
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size_t font_height;
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// Flags
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bool focus_follows_mouse;
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@ -461,7 +461,12 @@ struct bar_config *default_bar_config(void);
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void free_bar_config(struct bar_config *bar);
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int get_font_text_height(char *font);
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/**
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* Updates the value of config->font_height based on the max title height
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* reported by each container. If recalculate is true, the containers will
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* recalculate their heights before reporting.
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*/
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void config_find_font_height(bool recalculate);
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/* Global config singleton. */
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extern struct sway_config *config;
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@ -89,6 +89,7 @@ struct sway_container {
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struct wlr_texture *title_focused_inactive;
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struct wlr_texture *title_unfocused;
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struct wlr_texture *title_urgent;
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size_t title_height;
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struct {
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struct wl_signal destroy;
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@ -198,4 +199,12 @@ struct sway_container *container_flatten(struct sway_container *container);
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void container_update_title_textures(struct sway_container *container);
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/**
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* Calculate the container's title_height property.
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*/
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void container_calculate_title_height(struct sway_container *container);
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void container_update_title(struct sway_container *container,
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const char *new_title);
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#endif
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@ -2,6 +2,7 @@
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#include <string.h>
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#include "sway/commands.h"
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#include "sway/config.h"
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#include "sway/tree/arrange.h"
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#include "log.h"
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#include "stringop.h"
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@ -13,6 +14,9 @@ struct cmd_results *cmd_font(int argc, char **argv) {
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char *font = join_args(argv, argc);
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free(config->font);
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config->font = strdup(font);
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config->font_height = get_font_text_height(font);
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config_find_font_height(true);
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if (!config->reading) {
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arrange_root();
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}
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return cmd_results_new(CMD_SUCCESS, NULL, NULL);
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}
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@ -132,17 +132,6 @@ static void destroy_removed_seats(struct sway_config *old_config,
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}
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}
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int get_font_text_height(char *font) {
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cairo_t *cairo = cairo_create(NULL);
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int text_height;
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get_text_size(cairo, font, NULL, &text_height, 1, false,
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"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
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"abcdefghijklmnopqrstuvwxyz"
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"!@#$%^&*([{|");
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cairo_destroy(cairo);
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return text_height;
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}
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static void set_color(float dest[static 4], uint32_t color) {
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dest[0] = ((color >> 16) & 0xff) / 255.0;
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dest[1] = ((color >> 8) & 0xff) / 255.0;
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@ -182,7 +171,7 @@ static void config_defaults(struct sway_config *config) {
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config->default_layout = L_NONE;
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config->default_orientation = L_NONE;
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if (!(config->font = strdup("monospace 10"))) goto cleanup;
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config->font_height = get_font_text_height(config->font);
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config->font_height = 0;
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// floating view
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config->floating_maximum_width = 0;
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@ -740,3 +729,20 @@ int workspace_output_cmp_workspace(const void *a, const void *b) {
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const struct workspace_output *wsa = a, *wsb = b;
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return lenient_strcmp(wsa->workspace, wsb->workspace);
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}
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static void find_font_height_iterator(struct sway_container *container,
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void *data) {
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bool *recalculate = data;
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if (*recalculate) {
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container_calculate_title_height(container);
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}
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if (container->title_height > config->font_height) {
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config->font_height = container->title_height;
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}
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}
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void config_find_font_height(bool recalculate) {
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config->font_height = 0;
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container_for_each_descendant_dfs(&root_container,
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find_font_height_iterator, &recalculate);
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}
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@ -348,7 +348,7 @@ struct sway_container *container_view_create(struct sway_container *sibling,
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swayc, title, sibling, sibling ? sibling->type : 0, sibling->name);
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// Setup values
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swayc->sway_view = sway_view;
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swayc->name = title ? strdup(title) : NULL;
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container_update_title(swayc, title);
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swayc->width = 0;
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swayc->height = 0;
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@ -611,3 +611,54 @@ void container_update_title_textures(struct sway_container *container) {
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update_title_texture(container, &container->title_urgent,
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&config->border_colors.urgent);
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}
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void container_calculate_title_height(struct sway_container *container) {
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if (!container->name) {
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container->title_height = 0;
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return;
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}
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cairo_t *cairo = cairo_create(NULL);
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int height;
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get_text_size(cairo, config->font, NULL, &height, 1, false,
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"%s", container->name);
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cairo_destroy(cairo);
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container->title_height = height;
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}
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static void container_notify_child_title_changed(
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struct sway_container *container) {
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if (!container || container->type != C_CONTAINER) {
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return;
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}
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if (container->layout != L_TABBED && container->layout != L_STACKED) {
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return;
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}
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if (container->name) {
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free(container->name);
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}
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// TODO: iterate children and concatenate their titles
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container->name = strdup("");
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container_calculate_title_height(container);
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container_update_title_textures(container);
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container_notify_child_title_changed(container->parent);
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}
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void container_update_title(struct sway_container *container,
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const char *new_title) {
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if (container->name && strcmp(container->name, new_title) == 0) {
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return;
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}
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if (container->name) {
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free(container->name);
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}
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container->name = strdup(new_title);
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container_calculate_title_height(container);
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container_update_title_textures(container);
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container_notify_child_title_changed(container->parent);
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size_t prev_max_height = config->font_height;
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config_find_font_height(false);
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if (config->font_height != prev_max_height) {
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arrange_root();
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}
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}
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