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-rw-r--r--widgets/e-paned/e-hpaned.c7
-rw-r--r--widgets/e-paned/e-paned.c36
-rw-r--r--widgets/e-paned/e-paned.h5
-rw-r--r--widgets/e-paned/e-vpaned.c7
4 files changed, 45 insertions, 10 deletions
diff --git a/widgets/e-paned/e-hpaned.c b/widgets/e-paned/e-hpaned.c
index e7aff16cd9..68fa893210 100644
--- a/widgets/e-paned/e-hpaned.c
+++ b/widgets/e-paned/e-hpaned.c
@@ -353,6 +353,7 @@ e_hpaned_button_press (GtkWidget *widget,
if (!paned->in_drag &&
event->window == paned->handle && event->button == 1)
{
+ paned->old_child1_size = paned->child1_size;
paned->in_drag = TRUE;
/* We need a server grab here, not gtk_grab_add(), since
* we don't want to pass events on to the widget's children */
@@ -361,7 +362,7 @@ e_hpaned_button_press (GtkWidget *widget,
| GDK_BUTTON1_MOTION_MASK
| GDK_BUTTON_RELEASE_MASK,
NULL, NULL, event->time);
- paned->child1_size += event->x - paned->handle_size / 2;
+ paned->child1_size = e_paned_quantized_size(paned, paned->child1_size + event->x - paned->handle_size / 2);
paned->child1_size = CLAMP (paned->child1_size, 0,
widget->allocation.width
- paned->handle_size
@@ -419,9 +420,9 @@ e_hpaned_motion (GtkWidget *widget,
if (paned->in_drag)
{
gint size = x - GTK_CONTAINER (paned)->border_width - paned->handle_size / 2;
-
+
e_hpaned_xor_line (paned);
- paned->child1_size = CLAMP (size, paned->min_position, paned->max_position);
+ paned->child1_size = CLAMP (e_paned_quantized_size(paned, size), paned->min_position, paned->max_position);
e_hpaned_xor_line (paned);
}
diff --git a/widgets/e-paned/e-paned.c b/widgets/e-paned/e-paned.c
index 5d09535ad9..ae68e10082 100644
--- a/widgets/e-paned/e-paned.c
+++ b/widgets/e-paned/e-paned.c
@@ -36,7 +36,8 @@
enum {
ARG_0,
- ARG_HANDLE_SIZE
+ ARG_HANDLE_SIZE,
+ ARG_QUANTUM,
};
static void e_paned_class_init (EPanedClass *klass);
@@ -122,6 +123,8 @@ e_paned_class_init (EPanedClass *klass)
gtk_object_add_arg_type("EPaned::handle_size", GTK_TYPE_UINT,
GTK_ARG_READWRITE, ARG_HANDLE_SIZE);
+ gtk_object_add_arg_type("EPaned::quantum", GTK_TYPE_UINT,
+ GTK_ARG_READWRITE, ARG_QUANTUM);
}
static GtkType
@@ -153,6 +156,9 @@ e_paned_init (EPaned *paned)
paned->handle_xpos = -1;
paned->handle_ypos = -1;
+
+ paned->old_child1_size = 0;
+ paned->quantum = 1;
}
static void
@@ -167,6 +173,11 @@ e_paned_set_arg (GtkObject *object,
case ARG_HANDLE_SIZE:
e_paned_set_handle_size (paned, GTK_VALUE_UINT (*arg));
break;
+ case ARG_QUANTUM:
+ paned->quantum = GTK_VALUE_UINT (*arg);
+ if (paned->quantum == 0)
+ paned->quantum = 1;
+ break;
default:
break;
}
@@ -184,6 +195,9 @@ e_paned_get_arg (GtkObject *object,
case ARG_HANDLE_SIZE:
GTK_VALUE_UINT (*arg) = paned->handle_size;
break;
+ case ARG_QUANTUM:
+ GTK_VALUE_UINT (*arg) = paned->quantum;
+ break;
default:
arg->type = GTK_TYPE_INVALID;
break;
@@ -547,9 +561,9 @@ e_paned_set_handle_size (EPaned *paned,
void
e_paned_compute_position(EPaned *paned,
- gint allocation,
- gint child1_req,
- gint child2_req)
+ gint allocation,
+ gint child1_req,
+ gint child2_req)
{
g_return_if_fail (paned != NULL);
g_return_if_fail (E_IS_PANED (paned));
@@ -604,3 +618,17 @@ e_paned_handle_shown(EPaned *paned)
else
return TRUE;
}
+
+gint
+e_paned_quantized_size(EPaned *paned,
+ gint size)
+{
+ gint quantization = size - paned->old_child1_size;
+ if (quantization > 0)
+ quantization += paned->quantum / 2;
+ else
+ quantization -= paned->quantum / 2;
+ quantization /= paned->quantum;
+ quantization *= paned->quantum;
+ return paned->old_child1_size + quantization;
+}
diff --git a/widgets/e-paned/e-paned.h b/widgets/e-paned/e-paned.h
index 1c4481b194..e3799a6bce 100644
--- a/widgets/e-paned/e-paned.h
+++ b/widgets/e-paned/e-paned.h
@@ -76,6 +76,9 @@ struct _EPaned
gint min_position;
gint max_position;
+ gint old_child1_size;
+ gint quantum;
+
guint position_set : 1;
guint in_drag : 1;
guint child1_shrink : 1;
@@ -122,6 +125,8 @@ void e_paned_compute_position (EPaned *paned,
gint child2_req);
gboolean e_paned_handle_shown (EPaned *paned);
+gint e_paned_quantized_size (EPaned *paned,
+ int size);
#ifdef __cplusplus
}
#endif /* __cplusplus */
diff --git a/widgets/e-paned/e-vpaned.c b/widgets/e-paned/e-vpaned.c
index bfa5dced73..0a093af2d9 100644
--- a/widgets/e-paned/e-vpaned.c
+++ b/widgets/e-paned/e-vpaned.c
@@ -352,6 +352,7 @@ e_vpaned_button_press (GtkWidget *widget,
if (!paned->in_drag &&
(event->window == paned->handle) && (event->button == 1))
{
+ paned->old_child1_size = paned->child1_size;
paned->in_drag = TRUE;
/* We need a server grab here, not gtk_grab_add(), since
* we don't want to pass events on to the widget's children */
@@ -360,7 +361,7 @@ e_vpaned_button_press (GtkWidget *widget,
| GDK_BUTTON1_MOTION_MASK
| GDK_BUTTON_RELEASE_MASK, NULL, NULL,
event->time);
- paned->child1_size += event->y - paned->handle_size / 2;
+ paned->child1_size = e_paned_quantized_size(paned, paned->child1_size + event->y - paned->handle_size / 2);
paned->child1_size = CLAMP (paned->child1_size, 0,
widget->allocation.height -
paned->handle_size -
@@ -418,9 +419,9 @@ e_vpaned_motion (GtkWidget *widget,
if (paned->in_drag)
{
gint size = y - GTK_CONTAINER(paned)->border_width - paned->handle_size / 2;
-
+
e_vpaned_xor_line (paned);
- paned->child1_size = CLAMP (size, paned->min_position, paned->max_position);
+ paned->child1_size = CLAMP (e_paned_quantized_size(paned, size), paned->min_position, paned->max_position);
e_vpaned_xor_line(paned);
}
generated by cgit (git 2.34.1) at 2024-12-20 04:35:11 +0800