[Libreoffice-commits] core.git: Branch 'distro/collabora/cp-6.2' - 2 commits - libreofficekit/source

Michael Meeks (via logerrit) logerrit at kemper.freedesktop.org
Wed Nov 13 10:17:16 UTC 2019


 libreofficekit/source/gtk/lokdocview.cxx |   67 ++++++++++---------------------
 libreofficekit/source/gtk/tilebuffer.cxx |   15 ++++++
 libreofficekit/source/gtk/tilebuffer.hxx |   10 ++++
 3 files changed, 48 insertions(+), 44 deletions(-)

New commits:
commit 7e129d994bb268715168daee306b792bc9a3a6c3
Author:     Michael Meeks <michael.meeks at collabora.com>
AuthorDate: Tue Nov 12 21:19:25 2019 +0000
Commit:     Michael Meeks <michael.meeks at collabora.com>
CommitDate: Wed Nov 13 11:16:35 2019 +0100

    lokdocview: refresh tile buffer on resize to avoid UI breakage.
    
    Otherwise we get tiles in the wrong locations based on incorrrect
    widths.
    
    Change-Id: I1c76bc6eaabd8af4c283e421bf8901e7d64b4efa
    Reviewed-on: https://gerrit.libreoffice.org/82557
    Tested-by: Jenkins CollaboraOffice <jenkinscollaboraoffice at gmail.com>
    Reviewed-by: Michael Meeks <michael.meeks at collabora.com>

diff --git a/libreofficekit/source/gtk/lokdocview.cxx b/libreofficekit/source/gtk/lokdocview.cxx
index 6f12438fde57..f8815e673458 100644
--- a/libreofficekit/source/gtk/lokdocview.cxx
+++ b/libreofficekit/source/gtk/lokdocview.cxx
@@ -351,22 +351,6 @@ struct CallbackData
 };
 
 static void
-payloadToSize(const char* pPayload, long& rWidth, long& rHeight)
-{
-    rWidth = rHeight = 0;
-    gchar** ppCoordinates = g_strsplit(pPayload, ", ", 2);
-    gchar** ppCoordinate = ppCoordinates;
-    if (!*ppCoordinate)
-        return;
-    rWidth = atoi(*ppCoordinate);
-    ++ppCoordinate;
-    if (!*ppCoordinate)
-        return;
-    rHeight = atoi(*ppCoordinate);
-    g_strfreev(ppCoordinates);
-}
-
-static void
 LOKPostCommand (LOKDocView* pDocView,
                 const gchar* pCommand,
                 const gchar* pArguments,
@@ -862,6 +846,25 @@ static std::string getAuthorRenderingArgument(LOKDocViewPrivate& priv)
 /// Author string <-> View ID map
 static std::map<std::string, int> g_aAuthorViews;
 
+static void refreshSize(LOKDocView* pDocView)
+{
+    LOKDocViewPrivate& priv = getPrivate(pDocView);
+
+    priv->m_pDocument->pClass->getDocumentSize(priv->m_pDocument, &priv->m_nDocumentWidthTwips, &priv->m_nDocumentHeightTwips);
+    float zoom = priv->m_fZoom;
+    long nDocumentWidthTwips = priv->m_nDocumentWidthTwips;
+    long nDocumentHeightTwips = priv->m_nDocumentHeightTwips;
+    long nDocumentWidthPixels = twipToPixel(nDocumentWidthTwips, zoom);
+    long nDocumentHeightPixels = twipToPixel(nDocumentHeightTwips, zoom);
+    // Total number of columns in this document.
+    guint nColumns = ceil(static_cast<double>(nDocumentWidthPixels) / nTileSizePixels);
+
+    priv->m_pTileBuffer = std::unique_ptr<TileBuffer>(new TileBuffer(nColumns));
+    gtk_widget_set_size_request(GTK_WIDGET(pDocView),
+                                nDocumentWidthPixels,
+                                nDocumentHeightPixels);
+}
+
 /// Set up LOKDocView after the document is loaded, invoked on the main thread by openDocumentInThread() running in a thread.
 static gboolean postDocumentLoad(gpointer pData)
 {
@@ -873,23 +876,12 @@ static gboolean postDocumentLoad(gpointer pData)
     priv->m_nViewId = priv->m_pDocument->pClass->getView(priv->m_pDocument);
     g_aAuthorViews[getAuthorRenderingArgument(priv)] = priv->m_nViewId;
     priv->m_pDocument->pClass->registerCallback(priv->m_pDocument, callbackWorker, pLOKDocView);
-    priv->m_pDocument->pClass->getDocumentSize(priv->m_pDocument, &priv->m_nDocumentWidthTwips, &priv->m_nDocumentHeightTwips);
     priv->m_nParts = priv->m_pDocument->pClass->getParts(priv->m_pDocument);
     aGuard.unlock();
     priv->m_nTimeoutId = g_timeout_add(600, handleTimeout, pLOKDocView);
 
-    float zoom = priv->m_fZoom;
-    long nDocumentWidthTwips = priv->m_nDocumentWidthTwips;
-    long nDocumentHeightTwips = priv->m_nDocumentHeightTwips;
-    long nDocumentWidthPixels = twipToPixel(nDocumentWidthTwips, zoom);
-    long nDocumentHeightPixels = twipToPixel(nDocumentHeightTwips, zoom);
-    // Total number of columns in this document.
-    guint nColumns = ceil(static_cast<double>(nDocumentWidthPixels) / nTileSizePixels);
+    refreshSize(pLOKDocView);
 
-    priv->m_pTileBuffer = std::unique_ptr<TileBuffer>(new TileBuffer(nColumns));
-    gtk_widget_set_size_request(GTK_WIDGET(pLOKDocView),
-                                nDocumentWidthPixels,
-                                nDocumentHeightPixels);
     gtk_widget_set_can_focus(GTK_WIDGET(pLOKDocView), TRUE);
     gtk_widget_grab_focus(GTK_WIDGET(pLOKDocView));
     lok_doc_view_set_zoom(pLOKDocView, 1.0);
@@ -1215,15 +1207,7 @@ callback (gpointer pData)
     break;
     case LOK_CALLBACK_DOCUMENT_SIZE_CHANGED:
     {
-        if (!pCallback->m_aPayload.empty())
-            payloadToSize(pCallback->m_aPayload.c_str(), priv->m_nDocumentWidthTwips, priv->m_nDocumentHeightTwips);
-        else
-            priv->m_pDocument->pClass->getDocumentSize(priv->m_pDocument, &priv->m_nDocumentWidthTwips, &priv->m_nDocumentHeightTwips);
-
-        gtk_widget_set_size_request(GTK_WIDGET(pDocView),
-                                    twipToPixel(priv->m_nDocumentWidthTwips, priv->m_fZoom),
-                                    twipToPixel(priv->m_nDocumentHeightTwips, priv->m_fZoom));
-
+        refreshSize(pDocView);
         g_signal_emit(pDocView, doc_view_signals[SIZE_CHANGED], 0, nullptr);
     }
     break;
commit 52f1f622d742bd6064375484e40d3105d0110e87
Author:     Michael Meeks <michael.meeks at collabora.com>
AuthorDate: Tue Nov 12 21:18:16 2019 +0000
Commit:     Michael Meeks <michael.meeks at collabora.com>
CommitDate: Wed Nov 13 11:16:26 2019 +0100

    lokdocview: encapsulate tile buffer properly.
    
    Change-Id: I59d690fbde67f4985246f13b992e962d11b7b07f
    Reviewed-on: https://gerrit.libreoffice.org/82556
    Reviewed-by: Michael Meeks <michael.meeks at collabora.com>
    Tested-by: Michael Meeks <michael.meeks at collabora.com>

diff --git a/libreofficekit/source/gtk/lokdocview.cxx b/libreofficekit/source/gtk/lokdocview.cxx
index 1e989d03f5ae..6f12438fde57 100644
--- a/libreofficekit/source/gtk/lokdocview.cxx
+++ b/libreofficekit/source/gtk/lokdocview.cxx
@@ -1533,7 +1533,6 @@ paintTileCallback(GObject* sourceObject, GAsyncResult* res, gpointer userData)
     LOKDocViewPrivate& priv = getPrivate(pDocView);
     LOEvent* pLOEvent = static_cast<LOEvent*>(userData);
     std::unique_ptr<TileBuffer>& buffer = priv->m_pTileBuffer;
-    int index = pLOEvent->m_nPaintTileX * buffer->m_nWidth + pLOEvent->m_nPaintTileY;
     GError* error;
 
     error = nullptr;
@@ -1550,8 +1549,7 @@ paintTileCallback(GObject* sourceObject, GAsyncResult* res, gpointer userData)
         return;
     }
 
-    buffer->m_mTiles[index].setSurface(pSurface);
-    buffer->m_mTiles[index].valid = true;
+    buffer->setTile(pLOEvent->m_nPaintTileX, pLOEvent->m_nPaintTileY, pSurface);
     gdk_threads_add_idle(queueDraw, GTK_WIDGET(pDocView));
 
     cairo_surface_destroy(pSurface);
@@ -2338,9 +2336,7 @@ paintTileInThread (gpointer data)
         return;
     }
     std::unique_ptr<TileBuffer>& buffer = priv->m_pTileBuffer;
-    int index = pLOEvent->m_nPaintTileX * buffer->m_nWidth + pLOEvent->m_nPaintTileY;
-    if (buffer->m_mTiles.find(index) != buffer->m_mTiles.end() &&
-        buffer->m_mTiles[index].valid)
+    if (buffer->hasValidTile(pLOEvent->m_nPaintTileX, pLOEvent->m_nPaintTileY))
         return;
 
     cairo_surface_t *pSurface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, nTileSizePixels, nTileSizePixels);
@@ -3511,7 +3507,6 @@ lok_doc_view_set_zoom (LOKDocView* pDocView, float fZoom)
     long nDocumentHeightPixels = twipToPixel(priv->m_nDocumentHeightTwips, fZoom);
     // Total number of columns in this document.
     guint nColumns = ceil(static_cast<double>(nDocumentWidthPixels) / nTileSizePixels);
-
     priv->m_pTileBuffer = std::unique_ptr<TileBuffer>(new TileBuffer(nColumns));
     gtk_widget_set_size_request(GTK_WIDGET(pDocView),
                                 nDocumentWidthPixels,
diff --git a/libreofficekit/source/gtk/tilebuffer.cxx b/libreofficekit/source/gtk/tilebuffer.cxx
index 9085ba06ac2c..82f0253d9e82 100644
--- a/libreofficekit/source/gtk/tilebuffer.cxx
+++ b/libreofficekit/source/gtk/tilebuffer.cxx
@@ -109,6 +109,21 @@ Tile& TileBuffer::getTile(int x, int y, GTask* task,
     return m_mTiles[index];
 }
 
+void TileBuffer::setTile(int x, int y, cairo_surface_t *surface)
+{
+    int index = x * m_nWidth + y;
+
+    m_mTiles[index].setSurface(surface);
+    m_mTiles[index].valid = true;
+}
+
+bool TileBuffer::hasValidTile(int x, int y)
+{
+    int index = x * m_nWidth + y;
+    auto it = m_mTiles.find(index);
+    return (it != m_mTiles.end()) && it->second.valid;
+}
+
 void LOEvent::destroy(void* pMemory)
 {
     LOEvent* pLOEvent = static_cast<LOEvent*>(pMemory);
diff --git a/libreofficekit/source/gtk/tilebuffer.hxx b/libreofficekit/source/gtk/tilebuffer.hxx
index 88961cc1f44d..fccc6211acc3 100644
--- a/libreofficekit/source/gtk/tilebuffer.hxx
+++ b/libreofficekit/source/gtk/tilebuffer.hxx
@@ -116,6 +116,15 @@ class TileBuffer
        @return the tile at the mentioned position (x, y)
      */
     Tile& getTile(int x, int y, GTask* task, GThreadPool* pool);
+
+    /*
+      Takes ownership of the surface and sets it on a tile at a given location
+    */
+    void  setTile(int x, int y, cairo_surface_t *surface);
+
+    /// Returns true if a valid tile exists at this location
+    bool hasValidTile(int x, int y);
+
     /// Destroys all the tiles in the tile buffer; also frees the memory allocated
     /// for all the Tile objects.
     void resetAllTiles();
@@ -133,6 +142,7 @@ class TileBuffer
      */
     void setInvalid(int x, int y, float zoom, GTask* task, GThreadPool*);
 
+private:
     /// Stores all the tiles cached by this tile buffer.
     std::map<int, Tile> m_mTiles;
     /// Width of the current tile buffer (number of columns)


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