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author | Steve Block <steveblock@google.com> | 2011-05-06 11:45:16 +0100 |
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committer | Steve Block <steveblock@google.com> | 2011-05-12 13:44:10 +0100 |
commit | cad810f21b803229eb11403f9209855525a25d57 (patch) | |
tree | 29a6fd0279be608e0fe9ffe9841f722f0f4e4269 /Source/WebCore/platform/gtk/CursorGtk.cpp | |
parent | 121b0cf4517156d0ac5111caf9830c51b69bae8f (diff) | |
download | external_webkit-cad810f21b803229eb11403f9209855525a25d57.zip external_webkit-cad810f21b803229eb11403f9209855525a25d57.tar.gz external_webkit-cad810f21b803229eb11403f9209855525a25d57.tar.bz2 |
Merge WebKit at r75315: Initial merge by git.
Change-Id: I570314b346ce101c935ed22a626b48c2af266b84
Diffstat (limited to 'Source/WebCore/platform/gtk/CursorGtk.cpp')
-rw-r--r-- | Source/WebCore/platform/gtk/CursorGtk.cpp | 210 |
1 files changed, 210 insertions, 0 deletions
diff --git a/Source/WebCore/platform/gtk/CursorGtk.cpp b/Source/WebCore/platform/gtk/CursorGtk.cpp new file mode 100644 index 0000000..9c5c16c --- /dev/null +++ b/Source/WebCore/platform/gtk/CursorGtk.cpp @@ -0,0 +1,210 @@ +/* + * Copyright (C) 2006 Michael Emmel mike.emmel@gmail.com + * Copyright (C) 2007 Christian Dywan <christian@twotoasts.de> + * Copyright (C) 2010 Igalia S.L. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY + * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "config.h" +#include "CursorGtk.h" +#include "GtkVersioning.h" + +#include "Image.h" +#include "IntPoint.h" +#include "RefPtrCairo.h" +#include <gdk/gdk.h> +#include <gtk/gtk.h> +#include <wtf/Assertions.h> + +namespace WebCore { + +static GRefPtr<GdkCursor> createNamedCursor(CustomCursorType cursorType) +{ + CustomCursor cursor = CustomCursors[cursorType]; + GRefPtr<GdkCursor> c = adoptGRef(gdk_cursor_new_from_name(gdk_display_get_default(), cursor.name)); + if (c) + return c; + + IntSize cursorSize = IntSize(32, 32); + RefPtr<cairo_surface_t> source = adoptRef(cairo_image_surface_create_for_data(const_cast<unsigned char*>(cursor.bits), CAIRO_FORMAT_A1, 32, 32, 4)); + RefPtr<cairo_surface_t> mask = adoptRef(cairo_image_surface_create_for_data(const_cast<unsigned char*>(cursor.mask_bits), CAIRO_FORMAT_A1, 32, 32, 4)); + RefPtr<cairo_surface_t> surface = adoptRef(cairo_image_surface_create(CAIRO_FORMAT_A1, 32, 32)); + RefPtr<cairo_t> cr = adoptRef(cairo_create(surface.get())); + + cairo_set_source_surface(cr.get(), source.get(), cursor.hot_x, cursor.hot_y); + cairo_mask_surface(cr.get(), mask.get(), cursor.hot_x, cursor.hot_y); + + GRefPtr<GdkPixbuf> pixbuf = adoptGRef(gdk_pixbuf_get_from_surface(surface.get(), 0, 0, 32, 32)); + return adoptGRef(gdk_cursor_new_from_pixbuf(gdk_display_get_default(), pixbuf.get(), 0, 0)); +} + +static GRefPtr<GdkCursor> createCustomCursor(Image* image, const IntPoint& hotSpot) +{ + IntPoint effectiveHotSpot = determineHotSpot(image, hotSpot); + GRefPtr<GdkPixbuf> pixbuf = adoptGRef(image->getGdkPixbuf()); + return adoptGRef(gdk_cursor_new_from_pixbuf(gdk_display_get_default(), pixbuf.get(), effectiveHotSpot.x(), effectiveHotSpot.y())); +} + +void Cursor::ensurePlatformCursor() const +{ + if (m_platformCursor || m_type == Cursor::Pointer) + return; + + switch (m_type) { + case Cursor::Pointer: + // A null GdkCursor is the default cursor for the window. + m_platformCursor = 0; + break; + case Cursor::Cross: + m_platformCursor = adoptGRef(gdk_cursor_new(GDK_CROSS)); + break; + case Cursor::Hand: + m_platformCursor = adoptGRef(gdk_cursor_new(GDK_HAND2)); + break; + case Cursor::IBeam: + m_platformCursor = adoptGRef(gdk_cursor_new(GDK_XTERM)); + break; + case Cursor::Wait: + m_platformCursor = adoptGRef(gdk_cursor_new(GDK_WATCH)); + break; + case Cursor::Help: + m_platformCursor = adoptGRef(gdk_cursor_new(GDK_QUESTION_ARROW)); + break; + case Cursor::Move: + case Cursor::MiddlePanning: + m_platformCursor = adoptGRef(gdk_cursor_new(GDK_FLEUR)); + break; + case Cursor::EastResize: + case Cursor::EastPanning: + m_platformCursor = adoptGRef(gdk_cursor_new(GDK_RIGHT_SIDE)); + break; + case Cursor::NorthResize: + case Cursor::NorthPanning: + m_platformCursor = adoptGRef(gdk_cursor_new(GDK_TOP_SIDE)); + break; + case Cursor::NorthEastResize: + case Cursor::NorthEastPanning: + m_platformCursor = adoptGRef(gdk_cursor_new(GDK_LEFT_SIDE)); + break; + case Cursor::NorthWestResize: + case Cursor::NorthWestPanning: + m_platformCursor = adoptGRef(gdk_cursor_new(GDK_TOP_LEFT_CORNER)); + break; + case Cursor::SouthResize: + case Cursor::SouthPanning: + m_platformCursor = adoptGRef(gdk_cursor_new(GDK_BOTTOM_SIDE)); + break; + case Cursor::SouthEastResize: + case Cursor::SouthEastPanning: + m_platformCursor = adoptGRef(gdk_cursor_new(GDK_BOTTOM_RIGHT_CORNER)); + break; + case Cursor::SouthWestResize: + case Cursor::SouthWestPanning: + m_platformCursor = adoptGRef(gdk_cursor_new(GDK_BOTTOM_LEFT_CORNER)); + break; + case Cursor::WestResize: + m_platformCursor = adoptGRef(gdk_cursor_new(GDK_LEFT_SIDE)); + break; + case Cursor::NorthSouthResize: + m_platformCursor = adoptGRef(gdk_cursor_new(GDK_TOP_TEE)); + break; + case Cursor::EastWestResize: + case Cursor::WestPanning: + m_platformCursor = adoptGRef(gdk_cursor_new(GDK_LEFT_SIDE)); + break; + case Cursor::NorthEastSouthWestResize: + case Cursor::NorthWestSouthEastResize: + m_platformCursor = adoptGRef(gdk_cursor_new(GDK_SIZING)); + break; + case Cursor::ColumnResize: + m_platformCursor = adoptGRef(gdk_cursor_new(GDK_SB_H_DOUBLE_ARROW)); + break; + case Cursor::RowResize: + m_platformCursor = adoptGRef(gdk_cursor_new(GDK_SB_V_DOUBLE_ARROW)); + break; + case Cursor::VerticalText: + m_platformCursor = createNamedCursor(CustomCursorVerticalText); + break; + case Cursor::Cell: + m_platformCursor = adoptGRef(gdk_cursor_new(GDK_PLUS)); + break; + case Cursor::ContextMenu: + m_platformCursor = createNamedCursor(CustomCursorContextMenu); + break; + case Cursor::Alias: + m_platformCursor = createNamedCursor(CustomCursorAlias); + break; + case Cursor::Progress: + m_platformCursor = createNamedCursor(CustomCursorProgress); + break; + case Cursor::NoDrop: + case Cursor::NotAllowed: + m_platformCursor = createNamedCursor(CustomCursorNoDrop); + break; + case Cursor::Copy: + m_platformCursor = createNamedCursor(CustomCursorCopy); + break; + case Cursor::None: + m_platformCursor = createNamedCursor(CustomCursorNone); + break; + case Cursor::ZoomIn: + m_platformCursor = createNamedCursor(CustomCursorZoomIn); + break; + case Cursor::ZoomOut: + m_platformCursor = createNamedCursor(CustomCursorZoomOut); + break; + case Cursor::Grab: + m_platformCursor = createNamedCursor(CustomCursorGrab); + break; + case Cursor::Grabbing: + m_platformCursor = createNamedCursor(CustomCursorGrabbing); + break; + case Cursor::Custom: + m_platformCursor = createCustomCursor(m_image.get(), m_hotSpot); + break; + } +} + +Cursor::Cursor(const Cursor& other) + : m_type(other.m_type) + , m_image(other.m_image) + , m_hotSpot(other.m_hotSpot) + , m_platformCursor(other.m_platformCursor) +{ +} + +Cursor& Cursor::operator=(const Cursor& other) +{ + m_type = other.m_type; + m_image = other.m_image; + m_hotSpot = other.m_hotSpot; + m_platformCursor = other.m_platformCursor; + return *this; +} + +Cursor::~Cursor() +{ +} + +} |