#include <stdio.h>
#include <unistd.h>
+#include <string.h>
+#include <stdlib.h>
#include <cairo.h>
#include <cairo-xlib.h>
#include "server.h"
#include "tooltip.h"
#include "panel.h"
-
-// TODO: Use timer_create instead of setitimer, because SIGALRM is not the right signal for this...
-// Reason: If we want to implement autohide we have to use another signal...
+#include "timer.h"
static int x, y, width, height;
+// the next functions are helper functions for tooltip handling
+void start_show_timeout();
+void start_hide_timeout();
+void stop_timeouts();
+void tooltip_copy_text(Area* area);
+
// give the tooltip some reasonable default values
Tooltip g_tooltip = {
- .task = 0,
+ .tooltip_text = 0,
+ .area = 0,
+ .panel = 0,
.window = 0,
- .show_timeout = { .it_interval={0, 0}, .it_value={0, 0} },
- .hide_timeout = { .it_interval={0, 0}, .it_value={0, 0} },
+ .show_timeout = { 0, 0 },
+ .hide_timeout = { 0, 0 },
.enabled = False,
- .current_state = TOOLTIP_ABOUT_TO_HIDE,
.mapped = False,
.paddingx = 0,
.paddingy = 0,
.font_color = { .color={1, 1, 1}, .alpha=1 },
.background_color = { .color={0.5, 0.4, 0.5}, .alpha=1 },
.border = { .color={0, 0, 0}, .alpha=1, .width=1, .rounded=0 },
- .font_desc = 0
+ .font_desc = 0,
+ .show_timer_id = 0,
+ .hide_timer_id = 0
};
void init_tooltip()
if (!g_tooltip.font_desc)
g_tooltip.font_desc = pango_font_description_from_string("sans 10");
+ if (g_tooltip.show_timer_id == 0)
+ g_tooltip.show_timer_id = install_timer(0, 0, 0, 0, tooltip_show);
+ if (g_tooltip.hide_timer_id == 0)
+ g_tooltip.hide_timer_id = install_timer(0, 0, 0, 0, tooltip_hide);
+
XSetWindowAttributes attr;
attr.override_redirect = True;
- attr.event_mask = ExposureMask;
+ attr.event_mask = StructureNotifyMask;
if (g_tooltip.window) XDestroyWindow(server.dsp, g_tooltip.window);
g_tooltip.window = XCreateWindow(server.dsp, server.root_win, 0, 0, 100, 20, 0, server.depth, InputOutput, CopyFromParent, CWOverrideRedirect|CWEventMask, &attr);
}
void cleanup_tooltip()
{
+ stop_timeouts();
tooltip_hide();
g_tooltip.enabled = False;
- if (g_tooltip.task) {
- alarm(0);
- g_tooltip.task = 0;
- }
+ tooltip_copy_text(0);
if (g_tooltip.window) {
XDestroyWindow(server.dsp, g_tooltip.window);
g_tooltip.window = 0;
}
-void tooltip_sighandler(int sig)
-{
- if (g_tooltip.current_state == TOOLTIP_ABOUT_TO_SHOW)
- tooltip_show();
- else if (g_tooltip.current_state == TOOLTIP_ABOUT_TO_HIDE)
- tooltip_hide();
-}
-
-
-void tooltip_trigger_show(Task* task, int x_root, int y_root)
+void tooltip_trigger_show(Area* area, Panel* p, int x_root, int y_root)
{
x = x_root;
y = y_root;
-
- if (g_tooltip.mapped && g_tooltip.task != task) {
- g_tooltip.task = task;
+ g_tooltip.panel = p;
+ if (g_tooltip.mapped && g_tooltip.area != area) {
+ tooltip_copy_text(area);
tooltip_update();
- alarm(0);
+ stop_timeouts();
}
else if (!g_tooltip.mapped) {
- g_tooltip.current_state = TOOLTIP_ABOUT_TO_SHOW;
- g_tooltip.task = task;
- struct timeval t = g_tooltip.show_timeout.it_value;
- if (t.tv_sec == 0 && t.tv_usec == 0) {
- alarm(0);
- tooltip_show();
- }
- else
- setitimer(ITIMER_REAL, &g_tooltip.show_timeout, 0);
+ start_show_timeout();
}
}
void tooltip_show()
{
- if (!g_tooltip.mapped) {
+ Area* area = click_area(g_tooltip.panel, x, y);
+ stop_timeouts();
+ if (!g_tooltip.mapped && area->_get_tooltip_text) {
+ tooltip_copy_text(area);
g_tooltip.mapped = True;
XMapWindow(server.dsp, g_tooltip.window);
- tooltip_update();
- alarm(0);
+ XFlush(server.dsp);
}
}
c = cairo_create(cs);
layout = pango_cairo_create_layout(c);
pango_layout_set_font_description(layout, g_tooltip.font_desc);
- pango_layout_set_text(layout, g_tooltip.task->title, -1);
+ pango_layout_set_text(layout, g_tooltip.tooltip_text, -1);
PangoRectangle r1, r2;
pango_layout_get_pixel_extents(layout, &r1, &r2);
width = 2*g_tooltip.border.width + 2*g_tooltip.paddingx + r2.width;
height = 2*g_tooltip.border.width + 2*g_tooltip.paddingy + r2.height;
- Panel* panel = g_tooltip.task->area.panel;
+ Panel* panel = g_tooltip.panel;
if (panel_horizontal && panel_position & BOTTOM)
y = panel->posy-height;
else if (panel_horizontal && panel_position & TOP)
else if (panel_position & LEFT)
x = panel->posx + panel->area.width;
else
- x = panel->posx - width;
+ x = panel->posx - width;
+
g_object_unref(layout);
cairo_destroy(c);
cairo_surface_destroy(cs);
// it seems quite impossible that the height needs to be adjusted, but we do it anyway.
int min_x, min_y, max_width, max_height;
- Panel* panel = g_tooltip.task->area.panel;
- int screen_width = server.monitor[panel->monitor].width;
- int screen_height = server.monitor[panel->monitor].height;
+ Panel* panel = g_tooltip.panel;
+ int screen_width = server.monitor[panel->monitor].x + server.monitor[panel->monitor].width;
+ int screen_height = server.monitor[panel->monitor].y + server.monitor[panel->monitor].height;
if ( x+width <= screen_width && y+height <= screen_height && x>=0 && y>=0)
return; // no adjustment needed
min_x=0;
}
- if (x+width > server.monitor[panel->monitor].width)
- x = server.monitor[panel->monitor].width-width;
- if ( y+height>server.monitor[panel->monitor].height)
- y = server.monitor[panel->monitor].height-height;
+ if (x+width > server.monitor[panel->monitor].x + server.monitor[panel->monitor].width)
+ x = server.monitor[panel->monitor].x + server.monitor[panel->monitor].width - width;
+ if ( y+height > server.monitor[panel->monitor].y + server.monitor[panel->monitor].height)
+ y = server.monitor[panel->monitor].y + server.monitor[panel->monitor].height - height;
if (x<min_x)
x=min_x;
void tooltip_update()
{
- if (!g_tooltip.task) {
+ if (!g_tooltip.tooltip_text) {
tooltip_hide();
return;
}
+// printf("tooltip_update\n");
tooltip_update_geometry();
tooltip_adjust_geometry();
XMoveResizeWindow(server.dsp, g_tooltip.window, x, y, width, height);
cairo_set_source_rgba(c, fc.color[0], fc.color[1], fc.color[2], fc.alpha);
layout = pango_cairo_create_layout(c);
pango_layout_set_font_description(layout, g_tooltip.font_desc);
- pango_layout_set_text(layout, g_tooltip.task->title, -1);
+ pango_layout_set_text(layout, g_tooltip.tooltip_text, -1);
PangoRectangle r1, r2;
pango_layout_get_pixel_extents(layout, &r1, &r2);
pango_layout_set_width(layout, width*PANGO_SCALE);
void tooltip_trigger_hide(Tooltip* tooltip)
{
if (g_tooltip.mapped) {
- g_tooltip.current_state = TOOLTIP_ABOUT_TO_HIDE;
- struct timeval t = g_tooltip.hide_timeout.it_value;
- g_tooltip.task = 0;
- if (t.tv_sec == 0 && t.tv_usec == 0) {
- tooltip_hide();
- alarm(0);
- }
- else
- setitimer(ITIMER_REAL, &g_tooltip.hide_timeout, 0);
+ tooltip_copy_text(0);
+ start_hide_timeout();
}
else {
- // tooltip not visible yet, but maybe an alarm is still pending
- alarm(0);
+ // tooltip not visible yet, but maybe a timeout is still pending
+ stop_timeouts();
}
}
void tooltip_hide()
{
+ stop_timeouts();
if (g_tooltip.mapped) {
g_tooltip.mapped = False;
XUnmapWindow(server.dsp, g_tooltip.window);
+ XFlush(server.dsp);
}
}
+
+
+void start_show_timeout()
+{
+ reset_timer(g_tooltip.hide_timer_id, 0, 0, 0, 0);
+ struct timespec t = g_tooltip.show_timeout;
+ if (t.tv_sec == 0 && t.tv_nsec == 0) {
+ tooltip_show();
+ }
+ else {
+ reset_timer(g_tooltip.show_timer_id, t.tv_sec, t.tv_nsec, 0, 0);
+ }
+}
+
+
+void start_hide_timeout()
+{
+ reset_timer(g_tooltip.show_timer_id, 0, 0, 0, 0);
+ struct timespec t = g_tooltip.hide_timeout;
+ if (t.tv_sec == 0 && t.tv_nsec == 0)
+ tooltip_hide();
+ else
+ reset_timer(g_tooltip.hide_timer_id, t.tv_sec, t.tv_nsec, 0, 0);
+}
+
+void stop_timeouts()
+{
+ reset_timer(g_tooltip.show_timer_id, 0, 0, 0, 0);
+ reset_timer(g_tooltip.hide_timer_id, 0, 0, 0, 0);
+}
+
+
+void tooltip_copy_text(Area* area)
+{
+ free(g_tooltip.tooltip_text);
+ if (area && area->_get_tooltip_text)
+ g_tooltip.tooltip_text = strdup(area->_get_tooltip_text(area));
+ else
+ g_tooltip.tooltip_text = 0;
+ g_tooltip.area = area;
+}