ede/ede-panel/applets/pager/Pager.cpp
2009-10-03 07:33:08 +00:00

126 lines
2.5 KiB
C++

#include "Applet.h"
#include "Netwm.h"
#include <string.h>
#include <FL/Fl_Group.H>
#include <FL/Fl.H>
#include <edelib/Debug.h>
#include "PagerButton.h"
class Pager : public Fl_Group {
public:
Pager();
~Pager();
void init_workspace_boxes(void);
void workspace_changed(void);
};
static void box_cb(Fl_Widget*, void *b) {
PagerButton *pb = (PagerButton*)b;
/* because workspaces in button labels are increased */
int s = pb->get_workspace_label() - 1;
netwm_change_workspace(s);
}
static void net_event_cb(int action, Window xid, void *data) {
E_RETURN_IF_FAIL(data != NULL);
if(action == NETWM_CHANGED_CURRENT_WORKSPACE) {
Pager *p = (Pager*)data;
p->workspace_changed();
}
}
Pager::Pager() : Fl_Group(0, 0, 25, 25, NULL) {
box(FL_DOWN_BOX);
/* we will explicitly add elements */
end();
init_workspace_boxes();
netwm_callback_add(net_event_cb, this);
}
Pager::~Pager() {
netwm_callback_remove(net_event_cb);
}
void Pager::init_workspace_boxes(void) {
int X, Y, H;
/* prepare the sizes */
X = x() + Fl::box_dx(box());
Y = y() + Fl::box_dy(box());
H = h() - Fl::box_dh(box());
int nworkspaces, curr_workspace;
char **names = 0;
char nbuf[16];
nworkspaces = netwm_get_workspace_count();
curr_workspace = netwm_get_current_workspace();
netwm_get_workspace_names(names);
/*
* Resize group before childs, or they will be resized too, messing things up.
* Here, each child is 25px wide plus 1px for delimiter between the childs .
*/
int gw = nworkspaces * (25 + 1);
gw += Fl::box_dw(box());
/* last child do not ends with 1px wide delimiter */
gw -= 1;
size(gw, h());
for(int i = 0; i < nworkspaces; i++) {
/* let box width be fixed */
PagerButton *bx = new PagerButton(X, Y, 25, H);
bx->box(FL_FLAT_BOX);
if(i == curr_workspace)
bx->select_it(1);
else
bx->select_it(0);
/* workspaces are started from 0 */
bx->set_workspace_label(i + 1);
if(names)
bx->copy_tooltip(names[i]);
bx->callback(box_cb, bx);
add(bx);
/* position for the next box */
X = bx->x() + bx->w() + 1;
}
XFreeStringList(names);
}
void Pager::workspace_changed(void) {
int c = netwm_get_current_workspace();
PagerButton *pb;
E_RETURN_IF_FAIL(c < children());
for(int i = 0; i < children(); i++) {
pb = (PagerButton*)child(i);
pb->select_it(0);
}
pb = (PagerButton*)child(c);
pb->select_it(1);
}
EDE_PANEL_APPLET_EXPORT (
Pager,
EDE_PANEL_APPLET_OPTION_ALIGN_LEFT,
"Desktop switcher",
"0.1",
"empty",
"Sanel Zukan"
)