#552 [lxpanel] pager: support scroll wheel

[number Zero]

Allows to switch workspaces by scrolling over pager (#525 does the same for deskno).
(sorry but “Add attachments” button does not work, so have to paste the patch here in plaintext)

diff --git a/plugins/pager.c b/plugins/pager.c
index 6da24bc..a1845e5 100644
--- a/plugins/pager.c
+++ b/plugins/pager.c
@@ -32,6 +32,7 @@
#endif
#include <libwnck libwnck.h="">

+#include "misc.h"
#include "plugin.h"

typedef struct
@@ -65,6 +66,30 @@ static void on_size_allocate(GtkWidget p, GdkRectangle allocation, LXPanel *pa
on_realize(p, panel);
}

+static gboolean on_scroll_event(GtkWidget * p, GdkEventScroll * ev, LXPanel panel)
+{
+ int desknum = get_net_current_desktop();
+ int desks = get_net_number_of_desktops();
+ Screen xscreen = GDK_SCREEN_XSCREEN(gtk_widget_get_screen(p));
+
+ switch (ev->direction) {
+ case GDK_SCROLL_DOWN:
+ desknum++;
+ break;
+ case GDK_SCROLL_UP:
+ desknum--;
+ break;
+ default:
+ return FALSE;
+ }
+
+ if (desknum < 0 || desknum >= desks)
+ return TRUE;
+
+ Xclimsgx(xscreen, RootWindowOfScreen(xscreen), a_NET_CURRENT_DESKTOP, desknum, 0, 0, 0, 0);
+ return TRUE;
+}
+
static GtkWidget pager_constructor(LXPanel panel, config_setting_t settings)
{
GtkWidget p, w;
@@ -88,6 +113,7 @@ static GtkWidget pager_constructor(LXPanel panel, config_setting_t settings)
/ we cannot configure pager until it added into widgets hierarchy /
g_signal_connect(p, "realize", G_CALLBACK(on_realize), panel);
g_signal_connect(p, "size-allocate", G_CALLBACK(on_size_allocate), panel);
+ g_signal_connect(p, "scroll-event", G_CALLBACK(on_scroll_event), panel);
wnck_pager_set_display_mode(d->pager, WNCK_PAGER_DISPLAY_CONTENT);

 gtk_widget_show(w);

[number Zero]

Er, it messed up the patch. Attempt #2

diff --git a/plugins/pager.c b/plugins/pager.c
index 6da24bc..a1845e5 100644
--- a/plugins/pager.c
+++ b/plugins/pager.c
@@ -32,6 +32,7 @@
 #endif
 #include <libwnck/libwnck.h>

+#include "misc.h"
 #include "plugin.h"

 typedef struct
@@ -65,6 +66,30 @@ static void on_size_allocate(GtkWidget *p, GdkRectangle *allocation, LXPanel *pa
     on_realize(p, panel);
 }

+static gboolean on_scroll_event(GtkWidget * p, GdkEventScroll * ev, LXPanel *panel)
+{
+    int desknum = get_net_current_desktop();
+    int desks = get_net_number_of_desktops();
+    Screen *xscreen = GDK_SCREEN_XSCREEN(gtk_widget_get_screen(p));
+
+    switch (ev->direction) {
+        case GDK_SCROLL_DOWN:
+            desknum++;
+            break;
+        case GDK_SCROLL_UP:
+            desknum--;
+            break;
+        default:
+            return FALSE;
+    }
+
+    if (desknum < 0 || desknum >= desks)
+        return TRUE;
+
+    Xclimsgx(xscreen, RootWindowOfScreen(xscreen), a_NET_CURRENT_DESKTOP, desknum, 0, 0, 0, 0);
+    return TRUE;
+}
+
 static GtkWidget *pager_constructor(LXPanel *panel, config_setting_t *settings)
 {
     GtkWidget *p, *w;
@@ -88,6 +113,7 @@ static GtkWidget *pager_constructor(LXPanel *panel, config_setting_t *settings)
     /* we cannot configure pager until it added into widgets hierarchy */
     g_signal_connect(p, "realize", G_CALLBACK(on_realize), panel);
     g_signal_connect(p, "size-allocate", G_CALLBACK(on_size_allocate), panel);
+    g_signal_connect(p, "scroll-event", G_CALLBACK(on_scroll_event), panel);
     wnck_pager_set_display_mode(d->pager, WNCK_PAGER_DISPLAY_CONTENT);

     gtk_widget_show(w);

[Lonely Stranger]

Thank you very much. Looks good, pushed your change into GIT on your behalf.