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| 1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "views/widget/tooltip_window_gtk.h" | |
| 6 | |
| 7 #include <gtk/gtk.h> | |
| 8 | |
| 9 #include "base/utf_string_conversions.h" | |
| 10 | |
| 11 namespace views { | |
| 12 | |
| 13 TooltipWindowGtk::TooltipWindowGtk(GtkWidget* widget) | |
| 14 : host_(widget), | |
| 15 window_(NULL), | |
| 16 alignment_(NULL), | |
| 17 label_(NULL) { | |
| 18 Init(); | |
| 19 } | |
| 20 | |
| 21 TooltipWindowGtk::~TooltipWindowGtk() { | |
| 22 if (window_) | |
| 23 gtk_widget_destroy(window_); | |
| 24 } | |
| 25 | |
| 26 void TooltipWindowGtk::SetTooltipText(const std::wstring& text) { | |
| 27 const std::string& utf8 = WideToUTF8(text); | |
| 28 | |
| 29 gtk_label_set_text(label(), utf8.c_str()); | |
| 30 } | |
| 31 | |
| 32 GtkLabel* TooltipWindowGtk::label() { | |
| 33 return GTK_LABEL(label_); | |
| 34 } | |
| 35 | |
| 36 void TooltipWindowGtk::Init() { | |
| 37 // Creates and setup tooltip window. | |
| 38 window_ = gtk_window_new(GTK_WINDOW_POPUP); | |
| 39 gtk_window_set_type_hint(GTK_WINDOW(window_), GDK_WINDOW_TYPE_HINT_TOOLTIP); | |
| 40 gtk_widget_set_app_paintable(window_, TRUE); | |
| 41 gtk_window_set_resizable(GTK_WINDOW(window_), FALSE); | |
| 42 gtk_widget_set_name(window_, "gtk-tooltip"); | |
| 43 | |
| 44 GdkColormap* rgba_colormap = | |
| 45 gdk_screen_get_rgba_colormap(gdk_screen_get_default()); | |
| 46 if (rgba_colormap) | |
| 47 gtk_widget_set_colormap(window_, rgba_colormap); | |
| 48 | |
| 49 g_signal_connect(G_OBJECT(window_), "expose-event", | |
| 50 G_CALLBACK(&OnPaintThunk), this); | |
| 51 g_signal_connect(G_OBJECT(window_), "style-set", | |
| 52 G_CALLBACK(&OnStyleSetThunk), this); | |
| 53 | |
| 54 alignment_ = gtk_alignment_new(0.5, 0.5, 1.0, 1.0); | |
| 55 gtk_container_add(GTK_CONTAINER(window_), alignment_); | |
| 56 gtk_widget_show(alignment_); | |
| 57 | |
| 58 label_ = gtk_label_new(""); | |
| 59 gtk_label_set_line_wrap(GTK_LABEL(label_), TRUE); | |
| 60 gtk_container_add(GTK_CONTAINER(alignment_), label_); | |
| 61 gtk_widget_show(label_); | |
| 62 | |
| 63 // Associates the tooltip window with given widget | |
| 64 gtk_widget_set_tooltip_window(host_, GTK_WINDOW(window_)); | |
| 65 } | |
| 66 | |
| 67 // Paints our customized tooltip window. | |
| 68 gboolean TooltipWindowGtk::OnPaint(GtkWidget* widget, GdkEventExpose* event) { | |
| 69 gtk_paint_flat_box(widget->style, | |
| 70 widget->window, | |
| 71 GTK_STATE_NORMAL, | |
| 72 GTK_SHADOW_OUT, | |
| 73 NULL, | |
| 74 widget, | |
| 75 "tooltip", | |
| 76 0, 0, | |
| 77 widget->allocation.width, | |
| 78 widget->allocation.height); | |
| 79 | |
| 80 return FALSE; | |
| 81 } | |
| 82 | |
| 83 // Style change handler. | |
| 84 void TooltipWindowGtk::OnStyleSet(GtkWidget* widget, | |
| 85 GtkStyle* previous_style) { | |
| 86 gtk_alignment_set_padding(GTK_ALIGNMENT(alignment_), | |
| 87 widget->style->ythickness, | |
| 88 widget->style->ythickness, | |
| 89 widget->style->xthickness, | |
| 90 widget->style->xthickness); | |
| 91 | |
| 92 gtk_widget_queue_draw(widget); | |
| 93 } | |
| 94 | |
| 95 } // namespace views | |
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Chromium Code Reviews
Issue 7753038:
Move TooltipWindowGtk from views/widget to ui/base/gtk. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src