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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "chrome/browser/ui/gtk/gtk_chrome_shrinkable_hbox.h" | 5 #include "chrome/browser/ui/gtk/gtk_chrome_shrinkable_hbox.h" |
| 6 | 6 |
| 7 #include <gtk/gtk.h> | 7 #include <gtk/gtk.h> |
| 8 | 8 |
| 9 #include <algorithm> | 9 #include <algorithm> |
| 10 | 10 |
| 11 namespace { | 11 namespace { |
| 12 | 12 |
| 13 enum { | 13 enum { |
| 14 PROP_0, | 14 PROP_0, |
| 15 PROP_HIDE_CHILD_DIRECTLY | 15 PROP_HIDE_CHILD_DIRECTLY |
| 16 }; | 16 }; |
| 17 | 17 |
| 18 struct SizeAllocateData { | 18 struct SizeAllocateData { |
| 19 GtkChromeShrinkableHBox* box; | 19 GtkChromeShrinkableHBox* box; |
| 20 GtkAllocation* allocation; | 20 GtkAllocation* allocation; |
| 21 GtkTextDirection direction; | 21 GtkTextDirection direction; |
| 22 bool homogeneous; | 22 bool homogeneous; |
| 23 int border_width; | 23 int border_width; |
| 24 | 24 |
| 25 // Maximum child width when |homogeneous| is TRUE. | 25 // Maximum child width when |homogeneous| is TRUE. |
| 26 int homogeneous_child_width; | 26 int homogeneous_child_width; |
| 27 }; | 27 }; |
| 28 | 28 |
| 29 void CountVisibleChildren(GtkWidget* child, gpointer userdata) { | 29 void CountVisibleChildren(GtkWidget* child, gpointer userdata) { |
| 30 if (gtk_widget_get_visible(child)) | 30 if (GTK_WIDGET_VISIBLE(child)) |
| 31 ++(*reinterpret_cast<int*>(userdata)); | 31 ++(*reinterpret_cast<int*>(userdata)); |
| 32 } | 32 } |
| 33 | 33 |
| 34 void SumChildrenWidthRequisition(GtkWidget* child, gpointer userdata) { | 34 void SumChildrenWidthRequisition(GtkWidget* child, gpointer userdata) { |
| 35 if (gtk_widget_get_visible(child)) { | 35 if (GTK_WIDGET_VISIBLE(child)) { |
| 36 GtkRequisition req; | 36 GtkRequisition req; |
| 37 gtk_widget_get_child_requisition(child, &req); | 37 gtk_widget_get_child_requisition(child, &req); |
| 38 (*reinterpret_cast<int*>(userdata)) += std::max(req.width, 0); | 38 (*reinterpret_cast<int*>(userdata)) += std::max(req.width, 0); |
| 39 } | 39 } |
| 40 } | 40 } |
| 41 | 41 |
| 42 void ShowInvisibleChildren(GtkWidget* child, gpointer userdata) { | 42 void ShowInvisibleChildren(GtkWidget* child, gpointer userdata) { |
| 43 if (!gtk_widget_get_visible(child)) { | 43 if (!GTK_WIDGET_VISIBLE(child)) { |
| 44 gtk_widget_show(child); | 44 gtk_widget_show(child); |
| 45 ++(*reinterpret_cast<int*>(userdata)); | 45 ++(*reinterpret_cast<int*>(userdata)); |
| 46 } | 46 } |
| 47 } | 47 } |
| 48 | 48 |
| 49 void ChildSizeAllocate(GtkWidget* child, gpointer userdata) { | 49 void ChildSizeAllocate(GtkWidget* child, gpointer userdata) { |
| 50 if (!gtk_widget_get_visible(child)) | 50 if (!GTK_WIDGET_VISIBLE(child)) |
| 51 return; | 51 return; |
| 52 | 52 |
| 53 SizeAllocateData* data = reinterpret_cast<SizeAllocateData*>(userdata); | 53 SizeAllocateData* data = reinterpret_cast<SizeAllocateData*>(userdata); |
| 54 GtkAllocation child_allocation = child->allocation; | 54 GtkAllocation child_allocation = child->allocation; |
| 55 | 55 |
| 56 if (data->homogeneous) { | 56 if (data->homogeneous) { |
| 57 // Make sure the child is not overlapped with others' boundary. | 57 // Make sure the child is not overlapped with others' boundary. |
| 58 if (child_allocation.width > data->homogeneous_child_width) { | 58 if (child_allocation.width > data->homogeneous_child_width) { |
| 59 child_allocation.x += | 59 child_allocation.x += |
| 60 (child_allocation.width - data->homogeneous_child_width) / 2; | 60 (child_allocation.width - data->homogeneous_child_width) / 2; |
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| 274 | 274 |
| 275 gint gtk_chrome_shrinkable_hbox_get_visible_child_count( | 275 gint gtk_chrome_shrinkable_hbox_get_visible_child_count( |
| 276 GtkChromeShrinkableHBox* box) { | 276 GtkChromeShrinkableHBox* box) { |
| 277 gint visible_children_count = 0; | 277 gint visible_children_count = 0; |
| 278 gtk_container_foreach(GTK_CONTAINER(box), CountVisibleChildren, | 278 gtk_container_foreach(GTK_CONTAINER(box), CountVisibleChildren, |
| 279 &visible_children_count); | 279 &visible_children_count); |
| 280 return visible_children_count; | 280 return visible_children_count; |
| 281 } | 281 } |
| 282 | 282 |
| 283 G_END_DECLS | 283 G_END_DECLS |
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