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Added tooltips to the color list widget.

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This commit is contained in:
leo 2012-06-29 02:00:56 +00:00
parent 2883c9cc5b
commit 1a5b152f6c
1 changed files with 46 additions and 2 deletions
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48
linux/toolbar.cpp
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@ -580,6 +580,8 @@ class ColorListData
public:
ColorListData()
{
mWidth = 0;
mHeight = 0;
}
~ColorListData()
@ -624,6 +626,9 @@ public:
PangoLayout *layout;
int width, height;
if (mWidth == widget->allocation.width && mHeight == widget->allocation.height)
return;
renderer = gdk_pango_renderer_get_default(gtk_widget_get_screen(widget));
gdk_pango_renderer_set_drawable(GDK_PANGO_RENDERER(renderer), widget->window);
gdk_pango_renderer_set_gc(GDK_PANGO_RENDERER(renderer), widget->style->black_gc);
@ -672,7 +677,7 @@ public:
mCells[CurCell].Rect.x = Left;
mCells[CurCell].Rect.y = Top;
mCells[CurCell].Rect.width = Right - Left;
mCells[CurCell].Rect.width = (int)Right - (int)Left;
mCells[CurCell].Rect.height = Bottom - Top;
// lcColor* Color = &gColorList[mCells[CurCell].ColorIndex];
@ -695,6 +700,9 @@ public:
g_object_unref(layout);
g_object_unref(context);
mWidth = widget->allocation.width;
mHeight = widget->allocation.height;
}
ObjArray<GdkRectangle> mGroups;
@ -702,7 +710,8 @@ public:
int mColumns;
int mRows;
int mCurCell;
int mWidth;
int mHeight;
};
static gboolean colorlist_expose(GtkWidget *widget, GdkEventExpose *event, gpointer data)
@ -713,6 +722,7 @@ static gboolean colorlist_expose(GtkWidget *widget, GdkEventExpose *event, gpoin
ColorListData* Data;
Data = (ColorListData*)gtk_object_get_data(GTK_OBJECT(widget), "colorlist");
Data->UpdateLayout(widget);
renderer = gdk_pango_renderer_get_default(gtk_widget_get_screen(widget));
gdk_pango_renderer_set_drawable(GDK_PANGO_RENDERER(renderer), widget->window);
@ -907,6 +917,38 @@ static gboolean colorlist_button_press(GtkWidget *widget, GdkEventButton *event,
return TRUE;
}
static gboolean colorlist_tooltip(GtkWidget *widget, gint x, gint y, gboolean keyboard_mode, GtkTooltip *tooltip, gpointer user_data)
{
if (keyboard_mode)
return FALSE;
ColorListData* Data = (ColorListData*)gtk_object_get_data(GTK_OBJECT(widget), "colorlist");
for (int CellIdx = 0; CellIdx < Data->mCells.GetSize(); CellIdx++)
{
GdkRectangle& rect = Data->mCells[CellIdx].Rect;
if (x >= rect.x && y >= rect.y && x <= rect.x + rect.width && y <= rect.y + rect.height)
{
int ColorIndex = Data->mCells[CellIdx].ColorIndex;
gtk_tooltip_set_text(tooltip, gColorList[ColorIndex].Name);
GdkPixbuf* pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8, 24, 24);
float* Value = gColorList[ColorIndex].Value;
guint32 Color = ((int)(Value[0] * 255) << 24) | ((int)(Value[1] * 255) << 16) | ((int)(Value[2] * 255) << 8);
gdk_pixbuf_fill(pixbuf, Color);
gtk_tooltip_set_icon(tooltip, pixbuf);
gdk_pixbuf_unref(pixbuf);
return TRUE;
}
}
return FALSE;
}
void colorlist_set(int new_color)
{
if (new_color != cur_color)
@ -990,12 +1032,14 @@ GtkWidget* create_piecebar(GtkWidget *window, GLWindow *share)
GTK_WIDGET_SET_FLAGS(colorlist, GTK_CAN_FOCUS);
gtk_drawing_area_size(GTK_DRAWING_AREA(colorlist), 200, 160);
gtk_box_pack_start(GTK_BOX(vbox1), colorlist, FALSE, TRUE, 0);
gtk_widget_set_has_tooltip(colorlist, TRUE);
gtk_signal_connect(GTK_OBJECT(colorlist), "expose_event", GTK_SIGNAL_FUNC(colorlist_expose), NULL);
gtk_signal_connect(GTK_OBJECT(colorlist), "button_press_event", GTK_SIGNAL_FUNC(colorlist_button_press), NULL);
gtk_signal_connect(GTK_OBJECT(colorlist), "key_press_event", GTK_SIGNAL_FUNC(colorlist_key_press), NULL);
gtk_signal_connect(GTK_OBJECT(colorlist), "realize", GTK_SIGNAL_FUNC(colorlist_realize), NULL);
gtk_signal_connect(GTK_OBJECT(colorlist), "unrealize", GTK_SIGNAL_FUNC(colorlist_unrealize), NULL);
gtk_signal_connect(GTK_OBJECT(colorlist), "query-tooltip", GTK_SIGNAL_FUNC(colorlist_tooltip), NULL);
gtk_widget_show(colorlist);