diff options
author | Chun-wei Fan <fanchunwei@src.gnome.org> | 2010-11-10 10:08:14 +0800 |
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committer | Chun-wei Fan <fanchunwei@src.gnome.org> | 2010-11-10 10:08:14 +0800 |
commit | 76dc9e6b5303416a2ea6aea83718aac8aad09dbc (patch) | |
tree | 0b52484344a04c6c58fa329586ebc2165102a210 /gtk/gtkscrolledwindow.c | |
parent | bc070b9d2479fd3f208fdf3ac77bbe01b4b17957 (diff) | |
download | gtk+-76dc9e6b5303416a2ea6aea83718aac8aad09dbc.tar.gz |
gtk: fix C99-style variable declarations in various sources
Diffstat (limited to 'gtk/gtkscrolledwindow.c')
-rw-r--r-- | gtk/gtkscrolledwindow.c | 303 |
1 files changed, 138 insertions, 165 deletions
diff --git a/gtk/gtkscrolledwindow.c b/gtk/gtkscrolledwindow.c index 590d3362c1..bf2065ae52 100644 --- a/gtk/gtkscrolledwindow.c +++ b/gtk/gtkscrolledwindow.c @@ -134,7 +134,7 @@ struct _GtkScrolledWindowPrivate guint vscrollbar_visible : 1; guint window_placement : 2; guint focus_out : 1; /* Flag used by ::move-focus-out implementation */ - guint trust_sb_visibility : 1; + guint inside_allocate : 1; gint min_content_width; gint min_content_height; @@ -489,7 +489,6 @@ gtk_scrolled_window_init (GtkScrolledWindow *scrolled_window) gtk_scrolled_window_update_real_placement (scrolled_window); priv->min_content_width = -1; priv->min_content_height = -1; - priv->trust_sb_visibility = FALSE; } /** @@ -1450,6 +1449,7 @@ static void gtk_scrolled_window_allocate_child (GtkScrolledWindow *swindow, GtkAllocation *relative_allocation) { + GtkScrolledWindowPrivate *priv = swindow->priv; GtkWidget *widget = GTK_WIDGET (swindow), *child; GtkAllocation allocation; GtkAllocation child_allocation; @@ -1464,7 +1464,9 @@ gtk_scrolled_window_allocate_child (GtkScrolledWindow *swindow, child_allocation.width = relative_allocation->width; child_allocation.height = relative_allocation->height; + priv->inside_allocate = TRUE; gtk_widget_size_allocate (child, &child_allocation); + priv->inside_allocate = FALSE; } static void @@ -1482,8 +1484,7 @@ gtk_scrolled_window_size_allocate (GtkWidget *widget, gint sb_spacing; gint sb_width; gint sb_height; - guint count = 0; - + g_return_if_fail (GTK_IS_SCROLLED_WINDOW (widget)); g_return_if_fail (allocation != NULL); @@ -1517,143 +1518,135 @@ gtk_scrolled_window_size_allocate (GtkWidget *widget, gint child_scroll_height; gboolean previous_hvis; gboolean previous_vvis; + guint count = 0; /* Determine scrollbar visibility first via hfw apis */ - if (!priv->trust_sb_visibility) - { - if (gtk_widget_get_request_mode (child) == GTK_SIZE_REQUEST_HEIGHT_FOR_WIDTH) - { - if (gtk_scrollable_get_hscroll_policy (GTK_SCROLLABLE (child)) == GTK_SCROLL_MINIMUM) - gtk_widget_get_preferred_width (child, &child_scroll_width, NULL); - else - gtk_widget_get_preferred_width (child, NULL, &child_scroll_width); - - if (priv->vscrollbar_policy == GTK_POLICY_AUTOMATIC) - { - /* First try without a vertical scrollbar if the content will - * fit the height given the extra width of the scrollbar - */ - if (gtk_scrollable_get_vscroll_policy (GTK_SCROLLABLE (child)) == GTK_SCROLL_MINIMUM) - gtk_widget_get_preferred_height_for_width (child, - MAX (allocation->width, child_scroll_width), - &child_scroll_height, NULL); - else - gtk_widget_get_preferred_height_for_width (child, - MAX (allocation->width, child_scroll_width), - NULL, &child_scroll_height); - - if (priv->hscrollbar_policy == GTK_POLICY_AUTOMATIC) - { - /* Does the content height fit the allocation height ? */ - priv->vscrollbar_visible = child_scroll_height > allocation->height; - - /* Does the content width fit the allocation with minus a possible scrollbar ? */ - priv->hscrollbar_visible = - child_scroll_width > allocation->width - - (priv->vscrollbar_visible ? sb_width + sb_spacing : 0); - - /* Now that we've guessed the hscrollbar, does the - * content height fit the possible new allocation height ? - */ - priv->vscrollbar_visible = - child_scroll_height > allocation->height - - (priv->hscrollbar_visible ? sb_height + sb_spacing : 0); - - /* Now that we've guessed the vscrollbar, does the - * content width fit the possible new allocation width ? - */ - priv->hscrollbar_visible = - child_scroll_width > allocation->width - - (priv->vscrollbar_visible ? sb_width + sb_spacing : 0); - } - else /* priv->hscrollbar_policy != GTK_POLICY_AUTOMATIC */ - { - priv->hscrollbar_visible = priv->hscrollbar_policy != GTK_POLICY_NEVER; - priv->vscrollbar_visible = child_scroll_height > allocation->height - - (priv->hscrollbar_visible ? sb_height + sb_spacing : 0); - } - } - else /* priv->vscrollbar_policy != GTK_POLICY_AUTOMATIC */ - { - priv->vscrollbar_visible = priv->vscrollbar_policy != GTK_POLICY_NEVER; - - if (priv->hscrollbar_policy == GTK_POLICY_AUTOMATIC) - priv->hscrollbar_visible = - child_scroll_width > allocation->width - - (priv->vscrollbar_visible ? 0 : sb_width + sb_spacing); - else - priv->hscrollbar_visible = priv->hscrollbar_policy != GTK_POLICY_NEVER; - } - } - else /* GTK_SIZE_REQUEST_WIDTH_FOR_HEIGHT */ - { - if (gtk_scrollable_get_vscroll_policy (GTK_SCROLLABLE (child)) == GTK_SCROLL_MINIMUM) - gtk_widget_get_preferred_height (child, &child_scroll_height, NULL); - else - gtk_widget_get_preferred_height (child, NULL, &child_scroll_height); - - if (priv->hscrollbar_policy == GTK_POLICY_AUTOMATIC) - { - /* First try without a horizontal scrollbar if the content - * will fit the width given the extra height of the scrollbar - */ - if (gtk_scrollable_get_hscroll_policy (GTK_SCROLLABLE (child)) == GTK_SCROLL_MINIMUM) - gtk_widget_get_preferred_width_for_height (child, - MAX (allocation->height, child_scroll_height), - &child_scroll_width, NULL); - else - gtk_widget_get_preferred_width_for_height (child, - MAX (allocation->height, child_scroll_height), - NULL, &child_scroll_width); - - if (priv->vscrollbar_policy == GTK_POLICY_AUTOMATIC) - { - /* Does the content width fit the allocation width ? */ - priv->hscrollbar_visible = child_scroll_width > allocation->width; - - /* Does the content height fit the allocation with minus a possible scrollbar ? */ - priv->vscrollbar_visible = - child_scroll_height > allocation->height - - (priv->hscrollbar_visible ? sb_height + sb_spacing : 0); - - /* Now that we've guessed the vscrollbar, does the content - * width fit the possible new allocation width ? - */ - priv->hscrollbar_visible = - child_scroll_width > allocation->width - - (priv->vscrollbar_visible ? sb_width + sb_spacing : 0); - - /* Now that we've guessed the hscrollbar, does the content - * height fit the possible new allocation height ? - */ - priv->vscrollbar_visible = - child_scroll_height > allocation->height - - (priv->hscrollbar_visible ? sb_height + sb_spacing : 0); - } - else /* priv->vscrollbar_policy != GTK_POLICY_AUTOMATIC */ - { - priv->vscrollbar_visible = priv->vscrollbar_policy != GTK_POLICY_NEVER; - priv->hscrollbar_visible = child_scroll_width > allocation->width - - (priv->vscrollbar_visible ? sb_width + sb_spacing : 0); - } - } - else /* priv->hscrollbar_policy != GTK_POLICY_AUTOMATIC */ - { - priv->hscrollbar_visible = priv->hscrollbar_policy != GTK_POLICY_NEVER; - - if (priv->vscrollbar_policy == GTK_POLICY_AUTOMATIC) - priv->vscrollbar_visible = - child_scroll_height > allocation->height - - (priv->hscrollbar_visible ? 0 : sb_height + sb_spacing); - else - priv->vscrollbar_visible = priv->vscrollbar_policy != GTK_POLICY_NEVER; - } - } - } + if (gtk_widget_get_request_mode (child) == GTK_SIZE_REQUEST_HEIGHT_FOR_WIDTH) + { + if (gtk_scrollable_get_hscroll_policy (GTK_SCROLLABLE (child)) == GTK_SCROLL_MINIMUM) + gtk_widget_get_preferred_width (child, &child_scroll_width, NULL); + else + gtk_widget_get_preferred_width (child, NULL, &child_scroll_width); + + if (priv->vscrollbar_policy == GTK_POLICY_AUTOMATIC) + { + /* First try without a vertical scrollbar if the content will fit the height + * given the extra width of the scrollbar */ + if (gtk_scrollable_get_vscroll_policy (GTK_SCROLLABLE (child)) == GTK_SCROLL_MINIMUM) + gtk_widget_get_preferred_height_for_width (child, + MAX (allocation->width, child_scroll_width), + &child_scroll_height, NULL); + else + gtk_widget_get_preferred_height_for_width (child, + MAX (allocation->width, child_scroll_width), + NULL, &child_scroll_height); + + if (priv->hscrollbar_policy == GTK_POLICY_AUTOMATIC) + { + /* Does the content height fit the allocation height ? */ + priv->vscrollbar_visible = child_scroll_height > allocation->height; + + /* Does the content width fit the allocation with minus a possible scrollbar ? */ + priv->hscrollbar_visible = + child_scroll_width > allocation->width - + (priv->vscrollbar_visible ? sb_width + sb_spacing : 0); + + /* Now that we've guessed the hscrollbar, does the content height fit + * the possible new allocation height ? */ + priv->vscrollbar_visible = + child_scroll_height > allocation->height - + (priv->hscrollbar_visible ? sb_height + sb_spacing : 0); + + /* Now that we've guessed the vscrollbar, does the content width fit + * the possible new allocation width ? */ + priv->hscrollbar_visible = + child_scroll_width > allocation->width - + (priv->vscrollbar_visible ? sb_width + sb_spacing : 0); + } + else /* priv->hscrollbar_policy != GTK_POLICY_AUTOMATIC */ + { + priv->hscrollbar_visible = priv->hscrollbar_policy != GTK_POLICY_NEVER; + priv->vscrollbar_visible = child_scroll_height > allocation->height - + (priv->hscrollbar_visible ? sb_height + sb_spacing : 0); + } + } + else /* priv->vscrollbar_policy != GTK_POLICY_AUTOMATIC */ + { + priv->vscrollbar_visible = priv->vscrollbar_policy != GTK_POLICY_NEVER; + + if (priv->hscrollbar_policy == GTK_POLICY_AUTOMATIC) + priv->hscrollbar_visible = + child_scroll_width > allocation->width - + (priv->vscrollbar_visible ? 0 : sb_width + sb_spacing); + else + priv->hscrollbar_visible = priv->hscrollbar_policy != GTK_POLICY_NEVER; + } + } + else /* GTK_SIZE_REQUEST_WIDTH_FOR_HEIGHT */ + { + if (gtk_scrollable_get_vscroll_policy (GTK_SCROLLABLE (child)) == GTK_SCROLL_MINIMUM) + gtk_widget_get_preferred_height (child, &child_scroll_height, NULL); + else + gtk_widget_get_preferred_height (child, NULL, &child_scroll_height); + + if (priv->hscrollbar_policy == GTK_POLICY_AUTOMATIC) + { + /* First try without a horizontal scrollbar if the content will fit the width + * given the extra height of the scrollbar */ + if (gtk_scrollable_get_hscroll_policy (GTK_SCROLLABLE (child)) == GTK_SCROLL_MINIMUM) + gtk_widget_get_preferred_width_for_height (child, + MAX (allocation->height, child_scroll_height), + &child_scroll_width, NULL); + else + gtk_widget_get_preferred_width_for_height (child, + MAX (allocation->height, child_scroll_height), + NULL, &child_scroll_width); + + if (priv->vscrollbar_policy == GTK_POLICY_AUTOMATIC) + { + /* Does the content width fit the allocation width ? */ + priv->hscrollbar_visible = child_scroll_width > allocation->width; + + /* Does the content height fit the allocation with minus a possible scrollbar ? */ + priv->vscrollbar_visible = + child_scroll_height > allocation->height - + (priv->hscrollbar_visible ? sb_height + sb_spacing : 0); + + /* Now that we've guessed the vscrollbar, does the content width fit + * the possible new allocation width ? */ + priv->hscrollbar_visible = + child_scroll_width > allocation->width - + (priv->vscrollbar_visible ? sb_width + sb_spacing : 0); + + /* Now that we've guessed the hscrollbar, does the content height fit + * the possible new allocation height ? */ + priv->vscrollbar_visible = + child_scroll_height > allocation->height - + (priv->hscrollbar_visible ? sb_height + sb_spacing : 0); + } + else /* priv->vscrollbar_policy != GTK_POLICY_AUTOMATIC */ + { + priv->vscrollbar_visible = priv->vscrollbar_policy != GTK_POLICY_NEVER; + priv->hscrollbar_visible = child_scroll_width > allocation->width - + (priv->vscrollbar_visible ? sb_width + sb_spacing : 0); + } + } + else /* priv->hscrollbar_policy != GTK_POLICY_AUTOMATIC */ + { + priv->hscrollbar_visible = priv->hscrollbar_policy != GTK_POLICY_NEVER; + + if (priv->vscrollbar_policy == GTK_POLICY_AUTOMATIC) + priv->vscrollbar_visible = + child_scroll_height > allocation->height - + (priv->hscrollbar_visible ? 0 : sb_height + sb_spacing); + else + priv->vscrollbar_visible = priv->vscrollbar_policy != GTK_POLICY_NEVER; + } + } - /* Now after guessing scrollbar visibility; fall back on the allocation - * loop which observes the adjustments to detect scrollbar visibility - * and also avoids infinite recursion + /* Now after guessing scrollbar visibility; fall back on the allocation loop which + * observes the adjustments to detect scrollbar visibility and also avoids + * infinite recursion */ do { @@ -1671,13 +1664,9 @@ gtk_scrolled_window_size_allocate (GtkWidget *widget, priv->hscrollbar_visible = TRUE; priv->vscrollbar_visible = TRUE; - /* Make sure we dont do the height-for-width guess on the - * next allocate. - */ - priv->trust_sb_visibility = TRUE; + gtk_scrolled_window_allocate_child (scrolled_window, &relative_allocation); - /* A queue resize is incoming so we will be immediately reinvoked */ - return; + break; } count++; @@ -1692,16 +1681,6 @@ gtk_scrolled_window_size_allocate (GtkWidget *widget, gtk_scrolled_window_relative_allocation (widget, &relative_allocation); } - if (count > 1) - /* If the scrollbars have flipped visibility, showing/hiding them will - * cause a resize to be queued, we need to blindly trust those visibility - * states on the next incoming allocate() and avoid guessing the visibility - * with height-for-width apis. - */ - priv->trust_sb_visibility = TRUE; - else - priv->trust_sb_visibility = FALSE; - if (priv->hscrollbar_visible) { if (!gtk_widget_get_visible (priv->hscrollbar)) @@ -1872,7 +1851,7 @@ static void gtk_scrolled_window_adjustment_changed (GtkAdjustment *adjustment, gpointer data) { - GtkScrolledWindowPrivate *priv;; + GtkScrolledWindowPrivate *priv; GtkScrolledWindow *scrolled_window; g_return_if_fail (adjustment != NULL); @@ -1891,11 +1870,8 @@ gtk_scrolled_window_adjustment_changed (GtkAdjustment *adjustment, visible = priv->hscrollbar_visible; priv->hscrollbar_visible = (adjustment->upper - adjustment->lower > adjustment->page_size); - if (priv->hscrollbar_visible != visible) - { - priv->trust_sb_visibility = TRUE; - gtk_widget_queue_resize (GTK_WIDGET (scrolled_window)); - } + if (!priv->inside_allocate && priv->hscrollbar_visible != visible) + gtk_widget_queue_resize (GTK_WIDGET (scrolled_window)); } } else if (priv->vscrollbar && @@ -1908,11 +1884,8 @@ gtk_scrolled_window_adjustment_changed (GtkAdjustment *adjustment, visible = priv->vscrollbar_visible; priv->vscrollbar_visible = (adjustment->upper - adjustment->lower > adjustment->page_size); - if (priv->vscrollbar_visible != visible) - { - priv->trust_sb_visibility = TRUE; - gtk_widget_queue_resize (GTK_WIDGET (scrolled_window)); - } + if (!priv->inside_allocate && priv->vscrollbar_visible != visible) + gtk_widget_queue_resize (GTK_WIDGET (scrolled_window)); } } } |