row column bar compilable

Change-Id: I50efcb93a72cd375a7ecf712487debbf02acbd52

9 files changed, 329 insertions, 24 deletions

diff --git a/gtv.ui b/gtv.ui
index 7da1f4112f5c..031777e585ff 100644
--- a/gtv.ui
+++ b/gtv.ui
@@ -30,34 +30,13 @@
           </packing>
         </child>
         <child>
-          <object class="GtkDrawingArea" id="cornerarea">
-            <property name="visible">True</property>
-            <property name="can_focus">False</property>
-          </object>
-          <packing>
-            <property name="left_attach">0</property>
-            <property name="top_attach">0</property>
-          </packing>
+          <placeholder/>
         </child>
         <child>
-          <object class="GtkDrawingArea" id="rowbararea">
-            <property name="visible">True</property>
-            <property name="can_focus">False</property>
-          </object>
-          <packing>
-            <property name="left_attach">0</property>
-            <property name="top_attach">1</property>
-          </packing>
+          <placeholder/>
         </child>
         <child>
-          <object class="GtkDrawingArea" id="columnbararea">
-            <property name="visible">True</property>
-            <property name="can_focus">False</property>
-          </object>
-          <packing>
-            <property name="left_attach">1</property>
-            <property name="top_attach">0</property>
-          </packing>
+          <placeholder/>
         </child>
       </object>
       <packing>
diff --git a/libreofficekit/Executable_gtktiledviewer.mk b/libreofficekit/Executable_gtktiledviewer.mk
index 0f89aa4ff37a..cec96ba8fa2a 100644
--- a/libreofficekit/Executable_gtktiledviewer.mk
+++ b/libreofficekit/Executable_gtktiledviewer.mk
@@ -51,6 +51,7 @@ $(eval $(call gb_Executable_add_exception_objects,gtktiledviewer,\
     libreofficekit/qa/gtktiledviewer/gtv-signal-handlers \
     libreofficekit/qa/gtktiledviewer/gtv-helpers \
     libreofficekit/qa/gtktiledviewer/gtv-lokdocview-signal-handlers \
+    libreofficekit/qa/gtktiledviewer/gtv-calc-header-bar \
 ))
 
 # vim: set noet sw=4 ts=4:
diff --git a/libreofficekit/qa/gtktiledviewer/gtv-application-window.cxx b/libreofficekit/qa/gtktiledviewer/gtv-application-window.cxx
index e4e0a79d554f..6456ecf2ab09 100644
--- a/libreofficekit/qa/gtktiledviewer/gtv-application-window.cxx
+++ b/libreofficekit/qa/gtktiledviewer/gtv-application-window.cxx
@@ -16,6 +16,7 @@
 #include <gtv-main-toolbar.hxx>
 #include <gtv-helpers.hxx>
 #include <gtv-lokdocview-signal-handlers.hxx>
+#include <gtv-calc-header-bar.hxx>
 
 #include <boost/property_tree/json_parser.hpp>
 #include <boost/optional.hpp>
@@ -23,6 +24,7 @@
 struct GtvApplicationWindowPrivate
 {
     GtkWidget* container;
+    GtkWidget* gridcontainer;
     GtkWidget* toolbarcontainer;
 
     gboolean toolbarBroadcast;
@@ -55,9 +57,24 @@ gtv_application_window_init(GtvApplicationWindow* win)
     gtk_box_pack_start(GTK_BOX(priv->container), priv->toolbarcontainer, false, false, false);
     gtk_box_reorder_child(GTK_BOX(priv->container), priv->toolbarcontainer, 0);
 
+
+    priv->gridcontainer = GTK_WIDGET(gtk_builder_get_object(builder, "maingrid"));
     // scrolled window containing the main drawing area
     win->scrolledwindow = GTK_WIDGET(gtk_builder_get_object(builder, "scrolledwindow"));
 
+    // calc header row bar
+    win->cornerarea = gtv_calc_header_bar_new();
+    gtv_calc_header_bar_set_type(GTV_CALC_HEADER_BAR(win->cornerarea), CalcHeaderType::CORNER);
+    win->rowbar = gtv_calc_header_bar_new();
+    gtv_calc_header_bar_set_type(GTV_CALC_HEADER_BAR(win->rowbar), CalcHeaderType::ROW);
+    win->columnbar = gtv_calc_header_bar_new();
+    gtv_calc_header_bar_set_type(GTV_CALC_HEADER_BAR(win->columnbar), CalcHeaderType::COLUMN);
+
+    // attach row/colum/corner to the container
+    gtk_grid_attach(GTK_GRID(priv->gridcontainer), win->cornerarea, 0, 0, 1, 1);
+    gtk_grid_attach(GTK_GRID(priv->gridcontainer), win->rowbar, 0, 1, 1, 1);
+    gtk_grid_attach(GTK_GRID(priv->gridcontainer), win->columnbar, 1, 0, 1, 1);
+
     // statusbar
     win->statusbar = GTK_WIDGET(gtk_builder_get_object(builder, "statusbar"));
     win->redlinelabel = GTK_WIDGET(gtk_builder_get_object(builder, "redlinelabel"));
@@ -211,6 +228,7 @@ gtv_application_open_document_callback(GObject* source_object, GAsyncResult* res
 
     lok_doc_view_set_edit(pDocView, true);
 
+
     initWindow(window);
 }
 
@@ -321,6 +339,8 @@ static void setupDocView(LOKDocView* pDocView)
     g_signal_connect(pDocView, "formula-changed", G_CALLBACK(lokdocview_formulaChanged), nullptr);
     g_signal_connect(pDocView, "password-required", G_CALLBACK(lokdocview_passwordRequired), nullptr);
 //    g_signal_connect(pDocView, "comment", G_CALLBACK(lokdocview_commentCallback), nullptr);
+
+    g_signal_connect(pDocView, "configure-event", G_CALLBACK(lokdocview_configureEvent), nullptr);
 }
 
 void
diff --git a/libreofficekit/qa/gtktiledviewer/gtv-application-window.hxx b/libreofficekit/qa/gtktiledviewer/gtv-application-window.hxx
index 2d4ee78d0e6d..2a872170ccc0 100644
--- a/libreofficekit/qa/gtktiledviewer/gtv-application-window.hxx
+++ b/libreofficekit/qa/gtktiledviewer/gtv-application-window.hxx
@@ -25,6 +25,11 @@ struct _GtvApplicationWindow
 
     GtkWidget* scrolledwindow;
     GtkWidget* lokdocview;
+    LibreOfficeKitDocumentType doctype;
+
+    GtkWidget* rowbar;
+    GtkWidget* columnbar;
+    GtkWidget* cornerarea;
 
     GtkWidget* statusbar;
     GtkWidget* zoomlabel;
diff --git a/libreofficekit/qa/gtktiledviewer/gtv-calc-header-bar.cxx b/libreofficekit/qa/gtktiledviewer/gtv-calc-header-bar.cxx
new file mode 100644
index 000000000000..14fc944b50d4
--- /dev/null
+++ b/libreofficekit/qa/gtktiledviewer/gtv-calc-header-bar.cxx
@@ -0,0 +1,223 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include <gtk/gtk.h>
+
+#include <cmath>
+#include <iostream>
+
+#include <gtv-application-window.hxx>
+#include <gtv-signal-handlers.hxx>
+#include <gtv-helpers.hxx>
+#include <gtv-calc-header-bar.hxx>
+
+#include <map>
+#include <boost/property_tree/json_parser.hpp>
+#include <boost/optional.hpp>
+
+struct _GtvCalcHeaderBar
+{
+    GtkDrawingArea parent;
+};
+
+struct GtvCalcHeaderBarPrivateImpl
+{
+    /// Stores size and content of a single row header.
+    struct Header
+    {
+        int m_nSize;
+        std::string m_aText;
+        Header(int nSize, const std::string& rText)
+            : m_nSize(nSize),
+              m_aText(rText)
+            { }
+    };
+
+    std::vector<Header> m_aHeaders;
+    /// Height for row bar, width for column bar.
+    int m_nSizePixel;
+    /// Left/top position for the column/row bar -- initially 0, then may grow due to scrolling.
+    int m_nPositionPixel;
+    CalcHeaderType m_eType;
+};
+
+struct GtvCalcHeaderBarPrivate
+{
+    GtvCalcHeaderBarPrivateImpl* m_pImpl;
+
+    GtvCalcHeaderBarPrivateImpl* operator->()
+    {
+        return m_pImpl;
+    }
+};
+
+G_DEFINE_TYPE_WITH_PRIVATE(GtvCalcHeaderBar, gtv_calc_header_bar, GTK_TYPE_DRAWING_AREA);
+
+static const int ROW_HEADER_WIDTH = 50;
+static const int COLUMN_HEADER_HEIGHT = 20;
+
+static GtvCalcHeaderBarPrivate&
+getPrivate(GtvCalcHeaderBar* headerbar)
+{
+    return *static_cast<GtvCalcHeaderBarPrivate*>(gtv_calc_header_bar_get_instance_private(headerbar));
+}
+
+static void
+gtv_calc_header_bar_init(GtvCalcHeaderBar* bar)
+{
+    GtvCalcHeaderBarPrivate& priv = getPrivate(bar);
+    priv.m_pImpl = new GtvCalcHeaderBarPrivateImpl();
+}
+
+static void
+gtv_calc_header_bar_finalize(GObject* object)
+{
+    GtvCalcHeaderBarPrivate& priv = getPrivate(GTV_CALC_HEADER_BAR(object));
+
+    delete priv.m_pImpl;
+    priv.m_pImpl = nullptr;
+
+    G_OBJECT_CLASS (gtv_calc_header_bar_parent_class)->finalize (object);
+}
+
+void gtv_calc_header_bar_draw_text(cairo_t* pCairo, const GdkRectangle& rRectangle, const std::string& rText)
+{
+    cairo_text_extents_t extents;
+    cairo_text_extents(pCairo, rText.c_str(), &extents);
+    // Cairo reference point for text is the bottom left corner.
+    cairo_move_to(pCairo, rRectangle.x + rRectangle.width / 2 - extents.width / 2, rRectangle.y + rRectangle.height / 2 + extents.height / 2);
+    cairo_show_text(pCairo, rText.c_str());
+}
+
+gboolean gtv_calc_header_bar_draw_impl(GtkWidget* pWidget, cairo_t* pCairo)
+{
+    GtvCalcHeaderBarPrivate& priv = getPrivate(GTV_CALC_HEADER_BAR(pWidget));
+    cairo_set_source_rgb(pCairo, 0, 0, 0);
+
+    int nPrevious = 0;
+    for (const GtvCalcHeaderBarPrivateImpl::Header& rHeader : priv->m_aHeaders)
+    {
+        GdkRectangle aRectangle;
+        if (priv->m_eType == CalcHeaderType::ROW)
+        {
+            aRectangle.x = 0;
+            aRectangle.y = nPrevious - 1;
+            aRectangle.width = ROW_HEADER_WIDTH - 1;
+            aRectangle.height = rHeader.m_nSize - nPrevious;
+            // Left line.
+            cairo_rectangle(pCairo, aRectangle.x, aRectangle.y, 1, aRectangle.height);
+            cairo_fill(pCairo);
+            // Bottom line.
+            cairo_rectangle(pCairo, aRectangle.x, aRectangle.y + aRectangle.height, aRectangle.width, 1);
+            cairo_fill(pCairo);
+            // Right line.
+            cairo_rectangle(pCairo, aRectangle.width, aRectangle.y, 1, aRectangle.height);
+            cairo_fill(pCairo);
+        }
+        else
+        {
+            aRectangle.x = nPrevious - 1;
+            aRectangle.y = 0;
+            aRectangle.width = rHeader.m_nSize - nPrevious;
+            aRectangle.height = COLUMN_HEADER_HEIGHT - 1;
+            // Top line.
+            cairo_rectangle(pCairo, aRectangle.x, aRectangle.y, aRectangle.width, 1);
+            cairo_fill(pCairo);
+            // Right line.
+            cairo_rectangle(pCairo, aRectangle.x + aRectangle.width , aRectangle.y, 1, aRectangle.height);
+            cairo_fill(pCairo);
+            // Bottom line.
+            cairo_rectangle(pCairo, aRectangle.x, aRectangle.height, aRectangle.width, 1);
+            cairo_fill(pCairo);
+        }
+
+        gtv_calc_header_bar_draw_text(pCairo, aRectangle, rHeader.m_aText);
+        nPrevious = rHeader.m_nSize;
+        if (rHeader.m_nSize > priv->m_nSizePixel)
+            break;
+    }
+
+    return FALSE;
+}
+
+static gboolean
+gtv_calc_header_bar_draw(GtkWidget* bar, cairo_t* pCairo)
+{
+    return gtv_calc_header_bar_draw_impl(bar, pCairo);
+}
+
+static void
+gtv_calc_header_bar_class_init(GtvCalcHeaderBarClass* klass)
+{
+    // TODO: Use templates to bind objects maybe ?
+    // But that requires compiling the .ui file into C source requiring
+    // glib-compile-resources (another dependency) as I can't find any gtk
+    // method to set the template from the .ui file directly; can only be set
+    // from gresource
+    GTK_WIDGET_CLASS(klass)->draw = gtv_calc_header_bar_draw;
+    G_OBJECT_CLASS(klass)->finalize = gtv_calc_header_bar_finalize;
+}
+
+int gtv_calc_header_bar_get_pos_pixel(GtvCalcHeaderBar* bar)
+{
+    GtvCalcHeaderBarPrivate& priv = getPrivate(bar);
+    return priv->m_nPositionPixel;
+}
+
+int gtv_calc_header_bar_get_size_pixel(GtvCalcHeaderBar* bar)
+{
+    GtvCalcHeaderBarPrivate& priv = getPrivate(bar);
+    return priv->m_nSizePixel;
+}
+
+void gtv_calc_header_bar_configure(GtvCalcHeaderBar* bar, const boost::property_tree::ptree* values, int nPositionPixel)
+{
+    GtvApplicationWindow* window = GTV_APPLICATION_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(bar)));
+    GtvCalcHeaderBarPrivate& priv = getPrivate(bar);
+
+    //gtk_widget_show(rWindow.m_pCornerButton->m_pDrawingArea);
+    boost::property_tree::ptree val = *values;
+    priv->m_aHeaders.clear();
+    try
+    {
+        for (boost::property_tree::ptree::value_type& rValue : val)
+        {
+            int nSize = std::round(lok_doc_view_twip_to_pixel(LOK_DOC_VIEW(window->lokdocview), std::atof(rValue.second.get<std::string>("size").c_str())));
+            if (nSize >= nPositionPixel)
+            {
+                const int nScrolledSize = nSize - nPositionPixel;
+                GtvCalcHeaderBarPrivateImpl::Header aHeader(nScrolledSize, rValue.second.get<std::string>("text"));
+                priv->m_aHeaders.push_back(aHeader);
+            }
+        }
+    }
+    catch (boost::property_tree::ptree_bad_path& rException)
+    {
+        std::cerr << "gtv_calc_header_bar_configure: " << rException.what() << std::endl;
+    }
+    gtk_widget_show(GTK_WIDGET(bar));
+    gtk_widget_queue_draw(GTK_WIDGET(bar));
+}
+
+void
+gtv_calc_header_bar_set_type(GtvCalcHeaderBar* bar, CalcHeaderType eType)
+{
+    // TODO: Install type property for this class
+    GtvCalcHeaderBarPrivate& priv = getPrivate(bar);
+    priv->m_eType = eType;
+}
+
+GtkWidget*
+gtv_calc_header_bar_new()
+{
+    return GTK_WIDGET(g_object_new(GTV_CALC_HEADER_BAR_TYPE,
+                                   nullptr));
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/libreofficekit/qa/gtktiledviewer/gtv-calc-header-bar.hxx b/libreofficekit/qa/gtktiledviewer/gtv-calc-header-bar.hxx
new file mode 100644
index 000000000000..957b0104e916
--- /dev/null
+++ b/libreofficekit/qa/gtktiledviewer/gtv-calc-header-bar.hxx
@@ -0,0 +1,38 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#ifndef GTV_CALC_HEADER_BAR_H
+#define GTV_CALC_HEADER_BAR_H
+
+#include <gtk/gtk.h>
+
+#include <boost/property_tree/json_parser.hpp>
+
+G_BEGIN_DECLS
+
+#define GTV_CALC_HEADER_BAR_TYPE (gtv_calc_header_bar_get_type())
+G_DECLARE_FINAL_TYPE(GtvCalcHeaderBar, gtv_calc_header_bar, GTV, CALC_HEADER_BAR, GtkDrawingArea);
+
+enum CalcHeaderType { ROW, COLUMN, CORNER };
+
+GtkWidget* gtv_calc_header_bar_new();
+
+void gtv_calc_header_bar_configure(GtvCalcHeaderBar* bar, const boost::property_tree::ptree* values, int nPositionPixel);
+
+int gtv_calc_header_bar_get_pos_pixel(GtvCalcHeaderBar* bar);
+
+int gtv_calc_header_bar_get_size_pixel(GtvCalcHeaderBar* bar);
+
+void gtv_calc_header_bar_set_type(GtvCalcHeaderBar* bar, CalcHeaderType eType);
+
+G_END_DECLS
+
+#endif /* GTV_CALC_HEADER_BAR_H */
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/libreofficekit/qa/gtktiledviewer/gtv-lokdocview-signal-handlers.cxx b/libreofficekit/qa/gtktiledviewer/gtv-lokdocview-signal-handlers.cxx
index 87db4fdcadab..ea1c10769e65 100644
--- a/libreofficekit/qa/gtktiledviewer/gtv-lokdocview-signal-handlers.cxx
+++ b/libreofficekit/qa/gtktiledviewer/gtv-lokdocview-signal-handlers.cxx
@@ -12,6 +12,7 @@
 #include <gtv-application-window.hxx>
 #include <gtv-helpers.hxx>
 #include <gtv-signal-handlers.hxx>
+#include <gtv-calc-header-bar.hxx>
 
 #include <boost/property_tree/json_parser.hpp>
 #include <boost/optional.hpp>
@@ -218,4 +219,40 @@ void lokdocview_passwordRequired(LOKDocView* pDocView, char* pUrl, gboolean bMod
 
 void lokdocview_commentCallback(LOKDocView* pDocView, gchar* pComment, gpointer);
 
+gboolean lokdocview_configureEvent(GtkWidget* pWidget, GdkEventConfigure* pEvent, gpointer pData)
+{
+    GtvApplicationWindow* window = GTV_APPLICATION_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(pWidget)));
+    LibreOfficeKitDocument* pDocument = lok_doc_view_get_document(LOK_DOC_VIEW(window->lokdocview));
+    if (pDocument && pDocument->pClass->getDocumentType(pDocument) == LOK_DOCTYPE_SPREADSHEET)
+    {
+        GtkAdjustment* pVAdjustment = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(window->scrolledwindow));
+        int rowSizePixel = gtk_adjustment_get_page_size(pVAdjustment);
+        int rowPosPixel = gtk_adjustment_get_value(pVAdjustment);
+        GtkAdjustment* pHAdjustment = gtk_scrolled_window_get_hadjustment(GTK_SCROLLED_WINDOW(window->scrolledwindow));
+        int colSizePixel = gtk_adjustment_get_page_size(pHAdjustment);
+        int colPosPixel = gtk_adjustment_get_value(pHAdjustment);
+
+        std::stringstream aCommand;
+        aCommand << ".uno:ViewRowColumnHeaders";
+        aCommand << "?x=" << int(lok_doc_view_pixel_to_twip(LOK_DOC_VIEW(window->lokdocview), colPosPixel));
+        aCommand << "&width=" << int(lok_doc_view_pixel_to_twip(LOK_DOC_VIEW(window->lokdocview), colSizePixel));
+        aCommand << "&y=" << int(lok_doc_view_pixel_to_twip(LOK_DOC_VIEW(window->lokdocview), rowPosPixel));
+        aCommand << "&height=" << int(lok_doc_view_pixel_to_twip(LOK_DOC_VIEW(window->lokdocview), rowSizePixel));
+        std::stringstream ss;
+        ss << "lok::Document::getCommandValues(" << aCommand.str() << ")";
+        g_info("%s", ss.str().c_str());
+        char* pValues = pDocument->pClass->getCommandValues(pDocument, aCommand.str().c_str());
+        g_info("lok::Document::getCommandValues() returned '%s'", pValues);
+        std::stringstream aStream(pValues);
+        free(pValues);
+        assert(!aStream.str().empty());
+        boost::property_tree::ptree aTree;
+        boost::property_tree::read_json(aStream, aTree);
+
+        gtv_calc_header_bar_configure(GTV_CALC_HEADER_BAR(window->rowbar), &aTree.get_child("rows"), rowPosPixel);
+        gtv_calc_header_bar_configure(GTV_CALC_HEADER_BAR(window->columnbar), &aTree.get_child("columns"), colPosPixel);
+// for corner ?    gtv_calc_header_bar_configure(window->rowbar);
+    }
+}
+
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/libreofficekit/qa/gtktiledviewer/gtv-lokdocview-signal-handlers.hxx b/libreofficekit/qa/gtktiledviewer/gtv-lokdocview-signal-handlers.hxx
index 72013be9a741..7466684a0d1e 100644
--- a/libreofficekit/qa/gtktiledviewer/gtv-lokdocview-signal-handlers.hxx
+++ b/libreofficekit/qa/gtktiledviewer/gtv-lokdocview-signal-handlers.hxx
@@ -24,6 +24,7 @@ void lokdocview_addressChanged(LOKDocView* pDocView, char* pPayload, gpointer);
 void lokdocview_formulaChanged(LOKDocView* pDocView, char* pPayload, gpointer);
 void lokdocview_passwordRequired(LOKDocView* pDocView, char* pUrl, gboolean bModify, gpointer);
 void lokdocview_commentCallback(LOKDocView* pDocView, gchar* pComment, gpointer);
+gboolean lokdocview_configureEvent(GtkWidget* pWidget, GdkEventConfigure* pEvent, gpointer pData);
 
 #endif
 
diff --git a/libreofficekit/qa/gtktiledviewer/gtv-main-toolbar.cxx b/libreofficekit/qa/gtktiledviewer/gtv-main-toolbar.cxx
index 884a2c76ac71..4a143e9ea665 100644
--- a/libreofficekit/qa/gtktiledviewer/gtv-main-toolbar.cxx
+++ b/libreofficekit/qa/gtktiledviewer/gtv-main-toolbar.cxx
@@ -13,6 +13,7 @@
 #include <gtv-main-toolbar.hxx>
 #include <gtv-signal-handlers.hxx>
 #include <gtv-helpers.hxx>
+#include <gtv-calc-header-bar.hxx>
 
 #include <map>
 #include <boost/property_tree/json_parser.hpp>