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tint2/src/taskbar/taskbarname.c
o9000 c7b23ee94a Scale panel elements (issue #656)
2018-01-17 05:19:32 +00:00

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/**************************************************************************
*
* Tint2 : taskbarname
*
* Copyright (C) 2008 thierry lorthiois (lorthiois@bbsoft.fr) from Omega distribution
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
**************************************************************************/
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/Xatom.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <glib.h>
#include <Imlib2.h>
#include "window.h"
#include "panel.h"
#include "taskbar.h"
#include "server.h"
#include "taskbarname.h"
gboolean taskbarname_enabled;
Color taskbarname_font;
Color taskbarname_active_font;
void taskbarname_init_fonts();
int taskbarname_compute_desired_size(void *obj);
void default_taskbarname()
{
taskbarname_enabled = FALSE;
}
void init_taskbarname_panel(void *p)
{
if (!taskbarname_enabled)
return;
Panel *panel = (Panel *)p;
taskbarname_init_fonts();
GSList *list = get_desktop_names();
GSList *l = list;
for (int j = 0; j < panel->num_desktops; j++) {
Taskbar *taskbar = &panel->taskbar[j];
memcpy(&taskbar->bar_name.area, &panel->g_taskbar.area_name, sizeof(Area));
taskbar->bar_name.area.parent = taskbar;
taskbar->bar_name.area.has_mouse_over_effect = panel_config.mouse_effects;
taskbar->bar_name.area.has_mouse_press_effect = panel_config.mouse_effects;
taskbar->bar_name.area._compute_desired_size = taskbarname_compute_desired_size;
if (j == server.desktop) {
taskbar->bar_name.area.bg = panel->g_taskbar.background_name[TASKBAR_ACTIVE];
} else {
taskbar->bar_name.area.bg = panel->g_taskbar.background_name[TASKBAR_NORMAL];
}
// use desktop number if name is missing
if (l) {
taskbar->bar_name.name = g_strdup(l->data);
l = l->next;
} else {
taskbar->bar_name.name = g_strdup_printf("%d", j + 1);
}
// append the name at the beginning of taskbar
taskbar->area.children = g_list_append(taskbar->area.children, &taskbar->bar_name);
instantiate_area_gradients(&taskbar->bar_name.area);
}
for (l = list; l; l = l->next)
g_free(l->data);
g_slist_free(list);
}
void taskbarname_init_fonts()
{
if (!panel_config.taskbarname_font_desc) {
panel_config.taskbarname_font_desc = pango_font_description_from_string(get_default_font());
pango_font_description_set_weight(panel_config.taskbarname_font_desc, PANGO_WEIGHT_BOLD);
}
}
void taskbarname_default_font_changed()
{
if (!taskbar_enabled)
return;
if (!taskbarname_enabled)
return;
if (panel_config.taskbarname_has_font)
return;
pango_font_description_free(panel_config.taskbarname_font_desc);
panel_config.taskbarname_font_desc = NULL;
taskbarname_init_fonts();
for (int i = 0; i < num_panels; i++) {
for (int j = 0; j < panels[i].num_desktops; j++) {
Taskbar *taskbar = &panels[i].taskbar[j];
taskbar->bar_name.area.resize_needed = TRUE;
schedule_redraw(&taskbar->bar_name.area);
}
}
schedule_panel_redraw();
}
void cleanup_taskbarname()
{
for (int i = 0; i < num_panels; i++) {
Panel *panel = &panels[i];
for (int j = 0; j < panel->num_desktops; j++) {
Taskbar *taskbar = &panel->taskbar[j];
g_free(taskbar->bar_name.name);
taskbar->bar_name.name = NULL;
free_area(&taskbar->bar_name.area);
remove_area((Area *)&taskbar->bar_name);
}
}
}
int taskbarname_compute_desired_size(void *obj)
{
TaskbarName *taskbar_name = (TaskbarName *)obj;
Panel *panel = (Panel *)taskbar_name->area.panel;
int name_height, name_width, name_height_ink;
get_text_size2(panel_config.taskbarname_font_desc,
&name_height_ink,
&name_height,
&name_width,
panel->area.height,
panel->area.width,
taskbar_name->name,
strlen(taskbar_name->name),
PANGO_WRAP_WORD_CHAR,
PANGO_ELLIPSIZE_NONE,
FALSE,
panel->scale);
if (panel_horizontal) {
return name_width + 2 * taskbar_name->area.paddingxlr * panel->scale + left_right_border_width(&taskbar_name->area);
} else {
return name_height + 2 * taskbar_name->area.paddingxlr * panel->scale + top_bottom_border_width(&taskbar_name->area);
}
}
gboolean resize_taskbarname(void *obj)
{
TaskbarName *taskbar_name = (TaskbarName *)obj;
Panel *panel = (Panel *)taskbar_name->area.panel;
schedule_redraw(&taskbar_name->area);
int name_height, name_width, name_height_ink;
get_text_size2(panel_config.taskbarname_font_desc,
&name_height_ink,
&name_height,
&name_width,
panel->area.height,
panel->area.width,
taskbar_name->name,
strlen(taskbar_name->name),
PANGO_WRAP_WORD_CHAR,
PANGO_ELLIPSIZE_NONE,
FALSE,
panel->scale);
gboolean result = FALSE;
int new_size = taskbarname_compute_desired_size(obj);
if (panel_horizontal) {
if (new_size != taskbar_name->area.width) {
taskbar_name->area.width = new_size;
taskbar_name->posy = (taskbar_name->area.height - name_height) / 2;
result = TRUE;
}
} else {
if (new_size != taskbar_name->area.height) {
taskbar_name->area.height = new_size;
taskbar_name->posy = (taskbar_name->area.height - name_height) / 2;
result = TRUE;
}
}
return result;
}
void draw_taskbarname(void *obj, cairo_t *c)
{
TaskbarName *taskbar_name = obj;
Panel *panel = (Panel *)taskbar_name->area.panel;
Taskbar *taskbar = taskbar_name->area.parent;
Color *config_text = (taskbar->desktop == server.desktop) ? &taskbarname_active_font : &taskbarname_font;
// draw content
PangoContext *context = pango_cairo_create_context(c);
pango_cairo_context_set_resolution(context, 96 * panel->scale);
PangoLayout *layout = pango_layout_new(context);
pango_layout_set_font_description(layout, panel_config.taskbarname_font_desc);
pango_layout_set_width(layout, taskbar_name->area.width * PANGO_SCALE);
pango_layout_set_alignment(layout, PANGO_ALIGN_CENTER);
pango_layout_set_wrap(layout, PANGO_WRAP_WORD_CHAR);
pango_layout_set_ellipsize(layout, PANGO_ELLIPSIZE_NONE);
pango_layout_set_text(layout, taskbar_name->name, strlen(taskbar_name->name));
cairo_set_source_rgba(c, config_text->rgb[0], config_text->rgb[1], config_text->rgb[2], config_text->alpha);
pango_cairo_update_layout(c, layout);
draw_text(layout, c, 0, taskbar_name->posy, config_text, ((Panel *)taskbar_name->area.panel)->font_shadow);
g_object_unref(layout);
g_object_unref(context);
}
void update_desktop_names()
{
if (!taskbarname_enabled)
return;
GSList *list = get_desktop_names();
for (int i = 0; i < num_panels; i++) {
int j;
GSList *l;
for (j = 0, l = list; j < panels[i].num_desktops; j++) {
gchar *name;
if (l) {
name = g_strdup(l->data);
l = l->next;
} else {
name = g_strdup_printf("%d", j + 1);
}
Taskbar *taskbar = &panels[i].taskbar[j];
if (strcmp(name, taskbar->bar_name.name) != 0) {
g_free(taskbar->bar_name.name);
taskbar->bar_name.name = name;
taskbar->bar_name.area.resize_needed = 1;
} else {
g_free(name);
}
}
}
for (GSList *l = list; l; l = l->next)
g_free(l->data);
g_slist_free(list);
schedule_panel_redraw();
}
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