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GtkRange: Improve zoom handling a bit

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The calculation to update the initial slider position on zoom
changes was not working correctly when using keys to toggle
zoom on and off for scales. Avoid it by updating the position
beforehand.
This commit is contained in:
Matthias Clasen 2015-06-20 20:26:42 -04:00
parent 27dabaefa6
commit 93f9a81ac5
1 changed files with 8 additions and 9 deletions
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17
gtk/gtkrange.c
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@ -2418,17 +2418,18 @@ gtk_range_key_press (GtkWidget *widget,
{
stop_scrolling (range);
update_slider_position (range,
priv->slide_initial_coordinate_delta + priv->slide_initial_slider_position,
priv->slide_initial_coordinate_delta + priv->slide_initial_slider_position);
return TRUE;
}
else if (priv->in_drag &&
(event->keyval == GDK_KEY_Shift_L ||
event->keyval == GDK_KEY_Shift_R))
{
if (priv->orientation == GTK_ORIENTATION_VERTICAL)
priv->slide_initial_slider_position = priv->slider.y;
else
priv->slide_initial_slider_position = priv->slider.x;
update_zoom_state (range, !priv->zoom);
return TRUE;
}
@ -2577,7 +2578,7 @@ gtk_range_multipress_gesture_pressed (GtkGestureMultiPress *gesture,
if (priv->mouse_location != MOUSE_SLIDER)
{
gdouble slider_low_value, slider_high_value, new_value;
slider_high_value =
coord_to_value (range,
priv->orientation == GTK_ORIENTATION_VERTICAL ?
@ -2606,9 +2607,7 @@ gtk_range_multipress_gesture_pressed (GtkGestureMultiPress *gesture,
/* Shift-click in the slider = fine adjustment */
if (state_mask & GDK_SHIFT_MASK)
{
update_zoom_state (range, TRUE);
}
update_zoom_state (range, TRUE);
slider = priv->slider;
}
@ -2930,7 +2929,6 @@ gtk_range_drag_gesture_update (GtkGestureDrag *gesture,
priv->mouse_x = start_x + offset_x;
priv->mouse_y = start_y + offset_y;
priv->in_drag = TRUE;
update_autoscroll_mode (range);
if (priv->autoscroll_mode == GTK_SCROLL_NONE)
@ -2946,6 +2944,7 @@ gtk_range_drag_gesture_begin (GtkGestureDrag *gesture,
{
if (range->priv->grab_location == MOUSE_SLIDER)
gtk_gesture_set_state (range->priv->drag_gesture, GTK_EVENT_SEQUENCE_CLAIMED);
}
static void