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From 0750e69cc4483cbcf22789d25d4518396e13fc13 Mon Sep 17 00:00:00 2001
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From: Pranav Kant <pranavk@gnome.org>
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
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Date: Wed, 3 Jun 2015 20:52:49 +0530
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Subject: [PATCH 011/398] lokdocview: use GtkDrawingArea for drawing tiles
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Change-Id: I1a3d8a9229f416418f0f3e9c720b78af09b35978
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
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(cherry picked from commit a13d4671bf1f557b3104e745277554ed11b3e6da)
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---
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libreofficekit/source/gtk/lokdocview.cxx | 77 +++++++++++++-------------------
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1 file changed, 30 insertions(+), 47 deletions(-)
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diff --git a/libreofficekit/source/gtk/lokdocview.cxx b/libreofficekit/source/gtk/lokdocview.cxx
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index 8fa351add6a9..c487ac8dd906 100644
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--- a/libreofficekit/source/gtk/lokdocview.cxx
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+++ b/libreofficekit/source/gtk/lokdocview.cxx
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@@ -65,6 +65,9 @@ struct LOKDocView_Impl
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GtkWidget* m_pEventBox;
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GtkWidget* m_pTable;
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GtkWidget** m_pCanvas;
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+ GtkWidget *darea;
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+
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+ TileBuffer *mTileBuffer;
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float m_fZoom;
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@@ -140,6 +143,8 @@ struct LOKDocView_Impl
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
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~LOKDocView_Impl();
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
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/// Connected to the destroy signal of LOKDocView, deletes its LOKDocView_Impl.
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static void destroy(LOKDocView* pDocView, gpointer pData);
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+ /// Connected to the expose-event of the GtkDrawingArea
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+ static void on_exposed(GtkWidget *widget, GdkEvent *event, gpointer user_data);
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/// Converts from screen pixels to document coordinates.
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float pixelToTwip(float fInput);
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/// Converts from document coordinates to screen pixels.
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@@ -258,6 +263,7 @@ LOKDocView_Impl::CallbackData::CallbackData(int nType, const std::string& rPaylo
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LOKDocView_Impl::LOKDocView_Impl(LOKDocView* pDocView)
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: m_pDocView(pDocView),
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m_pEventBox(gtk_event_box_new()),
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+ darea(gtk_drawing_area_new()),
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m_pTable(0),
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m_pCanvas(0),
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m_fZoom(1),
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@@ -307,6 +313,12 @@ void LOKDocView_Impl::destroy(LOKDocView* pDocView, gpointer /*pData*/)
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delete pDocView->m_pImpl;
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}
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+void LOKDocView_Impl::on_exposed(GtkWidget *widget, GdkEvent *event, gpointer userdata)
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+{
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+ LOKDocView *pDocView = LOK_DOCVIEW (userdata);
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+ pDocView->m_pImpl->renderDocument(0);
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+}
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+
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float LOKDocView_Impl::pixelToTwip(float fInput)
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{
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return (fInput / DPI / m_fZoom) * 1440.0f;
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@@ -771,40 +783,17 @@ void LOKDocView_Impl::renderDocument(GdkRectangle* pPartial)
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{
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const int nTileSizePixels = 256;
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+ GdkRectangle visibleArea;
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+ lok_docview_get_visarea (m_pDocView, &visibleArea);
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+
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long nDocumentWidthPixels = twipToPixel(m_nDocumentWidthTwips);
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long nDocumentHeightPixels = twipToPixel(m_nDocumentHeightTwips);
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// Total number of rows / columns in this document.
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guint nRows = ceil((double)nDocumentHeightPixels / nTileSizePixels);
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guint nColumns = ceil((double)nDocumentWidthPixels / nTileSizePixels);
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- // Set up our table and the tile pointers.
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- if (!m_pTable)
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- pPartial = 0;
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- if (pPartial)
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- {
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- // Same as nRows / nColumns, but from the previous renderDocument() call.
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- guint nOldRows, nOldColumns;
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-
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-#if GTK_CHECK_VERSION(2,22,0)
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- gtk_table_get_size(GTK_TABLE(m_pTable), &nOldRows, &nOldColumns);
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- if (nOldRows != nRows || nOldColumns != nColumns)
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- // Can't do partial rendering, document size changed.
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- pPartial = 0;
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-#else
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- pPartial = 0;
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-#endif
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- }
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- if (!pPartial)
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- {
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- if (m_pTable)
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- gtk_container_remove(GTK_CONTAINER(m_pEventBox), m_pTable);
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- m_pTable = gtk_table_new(nRows, nColumns, FALSE);
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- gtk_container_add(GTK_CONTAINER(m_pEventBox), m_pTable);
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
- gtk_widget_show(m_pTable);
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
- if (m_pCanvas)
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
- g_free(m_pCanvas);
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
- m_pCanvas = static_cast<GtkWidget**>(g_malloc0(sizeof(GtkWidget*) * nRows * nColumns));
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
- }
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
+ gtk_widget_set_size_request(darea, nDocumentWidthPixels, nDocumentHeightPixels);
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
+ cairo_t *pcairo = gdk_cairo_create(darea->window);
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
|
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
// Render the tiles.
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
for (guint nRow = 0; nRow < nRows; ++nRow)
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
@@ -830,7 +819,10 @@ void LOKDocView_Impl::renderDocument(GdkRectangle* pPartial)
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
aTileRectangleTwips.width = pixelToTwip(aTileRectanglePixels.width);
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
aTileRectangleTwips.height = pixelToTwip(aTileRectanglePixels.height);
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
if (pPartial && !gdk_rectangle_intersect(pPartial, &aTileRectangleTwips, 0))
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
- bPaint = false;
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
+ bPaint = false;
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|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
+
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|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
+ if (!gdk_rectangle_intersect(&visibleArea, &aTileRectangleTwips, 0))
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
+ bPaint = false;
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|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
if (bPaint)
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|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
{
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
@@ -849,21 +841,16 @@ void LOKDocView_Impl::renderDocument(GdkRectangle* pPartial)
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
// Size of the tile, depends on the zoom factor and the tile position only.
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
aTileRectangleTwips.width, aTileRectangleTwips.height);
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
- if (m_pCanvas[nTile])
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
- gtk_widget_destroy(GTK_WIDGET(m_pCanvas[nTile]));
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
- m_pCanvas[nTile] = gtk_image_new();
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
- gtk_image_set_from_pixbuf(GTK_IMAGE(m_pCanvas[nTile]), pPixBuf);
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
- g_object_unref(G_OBJECT(pPixBuf));
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
- gtk_widget_show(m_pCanvas[nTile]);
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
- gtk_table_attach(GTK_TABLE(m_pTable),
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
- m_pCanvas[nTile],
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
- nColumn, nColumn + 1, nRow, nRow + 1,
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
- GTK_SHRINK, GTK_SHRINK, 0, 0);
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
+ gdk_cairo_set_source_pixbuf (pcairo, pPixBuf, twipToPixel(aTileRectangleTwips.x), twipToPixel(aTileRectangleTwips.y));
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
+ cairo_paint(pcairo);
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
}
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
}
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
}
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
+
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
+ cairo_destroy(pcairo);
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
}
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
+
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
GdkRectangle LOKDocView_Impl::payloadToRectangle(const char* pPayload)
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
{
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
GdkRectangle aRet;
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
@@ -1167,17 +1154,13 @@ static void lok_docview_init( GTypeInstance* pInstance, gpointer )
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
pDocView->m_pImpl = new LOKDocView_Impl(pDocView);
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
gtk_scrolled_window_add_with_viewport( GTK_SCROLLED_WINDOW(pDocView),
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
- pDocView->m_pImpl->m_pEventBox );
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
-
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
- gtk_widget_set_events(pDocView->m_pImpl->m_pEventBox, GDK_BUTTON_PRESS_MASK); // So that drag doesn't try to move the whole window.
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
- gtk_signal_connect(GTK_OBJECT(pDocView->m_pImpl->m_pEventBox), "button-press-event", GTK_SIGNAL_FUNC(LOKDocView_Impl::signalButton), pDocView);
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
- gtk_signal_connect(GTK_OBJECT(pDocView->m_pImpl->m_pEventBox), "button-release-event", GTK_SIGNAL_FUNC(LOKDocView_Impl::signalButton), pDocView);
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
- gtk_signal_connect(GTK_OBJECT(pDocView->m_pImpl->m_pEventBox), "motion-notify-event", GTK_SIGNAL_FUNC(LOKDocView_Impl::signalMotion), pDocView);
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
+ pDocView->m_pImpl->darea );
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
- gtk_widget_show( pDocView->m_pImpl->m_pEventBox );
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
+ g_signal_connect(GTK_OBJECT(pDocView->m_pImpl->darea),
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
+ "expose-event",
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
+ GTK_SIGNAL_FUNC(LOKDocView_Impl::on_exposed), pDocView);
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
gtk_signal_connect(GTK_OBJECT(pDocView), "destroy", GTK_SIGNAL_FUNC(LOKDocView_Impl::destroy), 0);
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
- g_signal_connect_after(pDocView->m_pImpl->m_pEventBox, "expose-event", G_CALLBACK(LOKDocView_Impl::renderOverlay), pDocView);
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
}
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
SAL_DLLPUBLIC_EXPORT guint lok_docview_get_type()
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
--
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
2.12.0
|
|
![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
135360 |
|