fbt/lemonbar
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Add mouse support

Browse Source
This commit is contained in:
Jurica Vukadin 2014-02-14 12:51:07 +01:00
parent 6fb75424e8
commit 372c5bf8dc
3 changed files with 163 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
README.md
View File

@ -68,3 +68,13 @@ sp Switches to previous screen
sr Switches to the rightmost screen (the latest)
sl Switches to the leftmost screen (the first)
```
Mouse support
-------------
You can have any number of clickable areas defined.
```
ab Begins a new clickable area
ac The command to execute when clicked
ae Ends the current clickable area
```

155
bar.c
View File

@ -34,6 +34,17 @@ typedef struct monitor_t {
struct monitor_t *prev, *next;
} monitor_t;
typedef struct cmd_area_t {
struct cmd_area_t *next;
struct cmd_area_t *prev;
char *cmd;
int begin;
int end;
int begin_x;
int end_x;
int align;
} cmd_area_t;
static struct config_t {
int place_bottom;
int force_docking;
@ -66,6 +77,9 @@ static const uint32_t palette[] = {
COLOR0,COLOR1,COLOR2,COLOR3,COLOR4,COLOR5,COLOR6,COLOR7,COLOR8,COLOR9,BACKGROUND,FOREGROUND
};
static cmd_area_t *cmd_area_list_head;
static cmd_area_t *cmd_area_list_tail;
void
set_bg (int i)
{
@ -130,10 +144,102 @@ draw_char (monitor_t *mon, font_t *cur_font, int x, int align, int underline, ui
return ch_width;
}
void
xcb_handle_mouse_event (int16_t x)
{
cmd_area_t *area = cmd_area_list_head;
while (area) {
if (area->begin <=x && area->end >= x) {
system (area->cmd);
return;
}
area = area->next;
}
}
void
cmd_area_begin (monitor_t *mon, int x, int align)
{
cmd_area_t *area = calloc (1, sizeof (*area));
area->align = align;
area->begin_x = x;
switch (align) {
case ALIGN_L:
area->begin = x + mon->x;
break;
case ALIGN_C:
area->begin = mon->width / 2 + x / 2 + mon->x;
break;
case ALIGN_R:
area->begin = mon->width + mon->x;
break;
}
if (!cmd_area_list_head) {
cmd_area_list_head = area;
cmd_area_list_tail = area;
}
else {
cmd_area_list_tail->next = area;
area->prev = cmd_area_list_tail;
cmd_area_list_tail = area;
}
}
void
cmd_area_end (monitor_t *mon, int x, int align)
{
cmd_area_t *area = cmd_area_list_tail;
area->end_x = x;
switch (align) {
case ALIGN_L:
area->end = x + mon->x;
break;
case ALIGN_C:
area->begin -= (x - area->begin_x) / 2;
area->end = mon->width / 2 + x / 2 + mon->x;
/*
* if there were any other center aligned areas
* before this one, adjust their position
*/
cmd_area_t *a = area->prev;
if (a && a->align == ALIGN_C) {
int diff = (area->begin_x - a->end_x + area->end - area->begin) / 2;
while (a && a->align == ALIGN_C) {
a->begin -= diff;
a->end -= diff;
a = a->prev;
}
}
break;
case ALIGN_R:
area->begin -= (x - area->begin_x);
area->end = mon->width + mon->x;
/*
* if there were any other right aligned areas
* before this one, adjust their position
*/
a = area->prev;
if (a && a->align == ALIGN_R) {
int diff = area->begin_x - a->end_x + area->end - area->begin;
while (a && a->align == ALIGN_R) {
a->begin -= diff;
a->end -= diff;
a = a->prev;
}
}
break;
}
}
void
parse (char *text)
{
char *p = text;
char *cmd_start = 0;
int pos_x = 0;
int align = 0;
@ -151,7 +257,7 @@ parse (char *text)
if (*p == '\0' || *p == '\n')
return;
if (*p == '^' && p++ && *p != '^' && strchr ("_-fbulcrs", *p)) {
if (*p == '^' && p++ && *p != '^' && strchr ("_-afbulcrs", *p)) {
switch (*p++) {
case 'f':
set_fg (isdigit(*p) ? *p-'0' : 11);
@ -214,6 +320,25 @@ parse (char *text)
align = ALIGN_R;
pos_x = 0;
break;
case 'a':
switch (*p) {
case 'b':
cmd_area_begin (cur_mon, pos_x, align);
break;
case 'c':
cmd_start = ++p;
while (*p != '\0' && *p != '\n' && *p != '^')
p++;
continue;
case 'e':
cmd_area_end (cur_mon, pos_x, align);
size_t cmd_len = (size_t)(p - cmd_start) - 2;
cmd_area_list_tail->cmd = calloc (cmd_len + 1, sizeof(char));
strncpy (cmd_area_list_tail->cmd, cmd_start, cmd_len);
break;
}
p++;
break;
}
} else { /* utf-8 -> ucs-2 */
uint8_t *utf = (uint8_t *)p;
@ -369,7 +494,8 @@ monitor_new (int x, int y, int width, int height)
x, win_y, width, cfg.height, 0,
XCB_WINDOW_CLASS_INPUT_OUTPUT, scr->root_visual,
XCB_CW_BACK_PIXEL | XCB_CW_EVENT_MASK,
(const uint32_t []){ palette[10], XCB_EVENT_MASK_EXPOSURE });
(const uint32_t []){ palette[10], XCB_EVENT_MASK_EXPOSURE
| XCB_EVENT_MASK_BUTTON_RELEASE });
xcb_change_window_attributes (c, ret->window, XCB_CW_OVERRIDE_REDIRECT,
(const uint32_t []){ cfg.force_docking });
@ -621,6 +747,17 @@ init (void)
xcb_flush (c);
}
static void
clear_cmd_area_list (void)
{
while (cmd_area_list_head) {
cmd_area_t *area = cmd_area_list_head;
cmd_area_list_head = cmd_area_list_head->next;
free (area->cmd);
free (area);
}
}
void
cleanup (void)
{
@ -650,6 +787,8 @@ cleanup (void)
xcb_free_gc (c, underl_gc);
if (c)
xcb_disconnect (c);
clear_cmd_area_list();
}
void
@ -705,7 +844,7 @@ parse_font_list (char *str)
int
main (int argc, char **argv)
{
char input[1024] = {0, };
char input[2048] = {0, };
struct pollfd pollin[2] = {
{ .fd = STDIN_FILENO, .events = POLLIN },
{ .fd = -1 , .events = POLLIN },
@ -713,6 +852,7 @@ main (int argc, char **argv)
xcb_generic_event_t *ev;
xcb_expose_event_t *expose_ev;
xcb_button_release_event_t *button_ev;
char ch;
while ((ch = getopt (argc, argv, "hg:bdf:a:o:p")) != -1) {
@ -764,17 +904,22 @@ main (int argc, char **argv)
if (fgets (input, sizeof(input), stdin) == NULL)
break; /* EOF received */
clear_cmd_area_list();
parse (input);
redraw = 1;
}
if (pollin[1].revents & POLLIN) { /* Xserver broadcasted an event */
while ((ev = xcb_poll_for_event (c))) {
expose_ev = (xcb_expose_event_t *)ev;
switch (ev->response_type & 0x7F) {
switch (ev->response_type & ~0x80) {
case XCB_EXPOSE:
expose_ev = (xcb_expose_event_t *)ev;
if (expose_ev->count == 0) redraw = 1;
break;
case XCB_BUTTON_RELEASE:
button_ev = (xcb_button_release_event_t *)ev;
if (button_ev->detail == MOUSE_BUTTON)
xcb_handle_mouse_event (button_ev->root_x);
}
free (ev);

3
config.def.h
View File

@ -13,3 +13,6 @@
#define COLOR8 0x425059
#define COLOR9 0xcc6666
#define FOREGROUND 0xc5c8c6
/* Mouse button to react to */
#define MOUSE_BUTTON 1