From 53bcb37a3c055ba6103a64ca1a29f284b2535b79 Mon Sep 17 00:00:00 2001 From: Miklos Vajna Date: Fri, 30 Oct 2015 12:34:38 +0100 Subject: [PATCH 244/398] gtktiledviewer: initial row headers for spreadsheet documents Change-Id: Iec9080d7017ddcf2b605243bc820f9664110c2e8 (cherry picked from commit ecef9cb66c5f6009c7b062b489f93de85b70beeb) --- .../qa/gtktiledviewer/gtktiledviewer.cxx | 128 ++++++++++++++++++++- 1 file changed, 127 insertions(+), 1 deletion(-) diff --git a/libreofficekit/qa/gtktiledviewer/gtktiledviewer.cxx b/libreofficekit/qa/gtktiledviewer/gtktiledviewer.cxx index 72afd52131ad..cdde08db602d 100644 --- a/libreofficekit/qa/gtktiledviewer/gtktiledviewer.cxx +++ b/libreofficekit/qa/gtktiledviewer/gtktiledviewer.cxx @@ -32,6 +32,37 @@ static int help() return 1; } +/// Represents the row header widget for spreadsheets. +class TiledRowBar +{ +public: + /// 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) + { + } + }; + + static const int HEADER_WIDTH = 50; + + GtkWidget* m_pDrawingArea; + std::vector
m_aHeaders; + int m_nHeightPixel = 0; + + TiledRowBar(GtkWidget* pDocView); + static gboolean draw(GtkWidget* pWidget, cairo_t* pCairo, gpointer pData); + gboolean drawImpl(GtkWidget* pWidget, cairo_t* pCairo); + static gboolean docConfigureEvent(GtkWidget* pWidget, GdkEventConfigure* pEvent, gpointer pData); + gboolean docConfigureEventImpl(GtkWidget* pWidget, GdkEventConfigure* pEvent); + /// Draws rText at the center of rRectangle on pCairo. + void drawText(cairo_t* pCairo, const GdkRectangle& rRectangle, const std::string& rText); +}; + /// Represents all the state that is specific to one GtkWindow of this app. class TiledWindow { @@ -56,6 +87,7 @@ public: GtkWidget* m_pFindbarEntry; GtkWidget* m_pFindbarLabel; bool m_bFindAll; + std::shared_ptr m_pRowBar; TiledWindow() : m_pDocView(0), @@ -92,6 +124,92 @@ static TiledWindow& lcl_getTiledWindow(GtkWidget* pWidget) return g_aWindows[pToplevel]; } +TiledRowBar::TiledRowBar(GtkWidget* pDocView) + : m_pDrawingArea(gtk_drawing_area_new()), + m_nHeightPixel(0) +{ + gtk_widget_set_size_request(m_pDrawingArea, HEADER_WIDTH, -1); + g_signal_connect(m_pDrawingArea, "draw", G_CALLBACK(TiledRowBar::draw), this); + g_signal_connect(pDocView, "configure-event", G_CALLBACK(TiledRowBar::docConfigureEvent), this); +} + +gboolean TiledRowBar::draw(GtkWidget* pWidget, cairo_t* pCairo, gpointer pData) +{ + return static_cast(pData)->drawImpl(pWidget, pCairo); +} + +void TiledRowBar::drawText(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 TiledRowBar::drawImpl(GtkWidget* /*pWidget*/, cairo_t* pCairo) +{ + cairo_set_source_rgb(pCairo, 0, 0, 0); + + int nTotal = 0; + for (const Header& rHeader : m_aHeaders) + { + GdkRectangle aRectangle; + aRectangle.x = 0; + aRectangle.y = nTotal - 1; + aRectangle.width = HEADER_WIDTH - 1; + aRectangle.height = rHeader.m_nSize; + // Bottom line. + cairo_rectangle(pCairo, aRectangle.x, aRectangle.y + aRectangle.height, aRectangle.width, 1); + cairo_fill(pCairo); + // Left line. + cairo_rectangle(pCairo, aRectangle.width, aRectangle.y, 1, aRectangle.height); + cairo_fill(pCairo); + drawText(pCairo, aRectangle, rHeader.m_aText); + nTotal += rHeader.m_nSize; + if (nTotal > m_nHeightPixel) + break; + } + + return FALSE; +} + +gboolean TiledRowBar::docConfigureEvent(GtkWidget* pWidget, GdkEventConfigure* pEvent, gpointer pData) +{ + return static_cast(pData)->docConfigureEventImpl(pWidget, pEvent); +} + +gboolean TiledRowBar::docConfigureEventImpl(GtkWidget* pDocView, GdkEventConfigure* /*pEvent*/) +{ + if (g_aWindows.find(gtk_widget_get_toplevel(pDocView)) == g_aWindows.end()) + return TRUE; + + TiledWindow& rWindow = lcl_getTiledWindow(pDocView); + GtkAdjustment* pVAdjustment = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(rWindow.m_pScrolledWindow)); + m_nHeightPixel = gtk_adjustment_get_page_size(pVAdjustment); + + LibreOfficeKitDocument* pDocument = lok_doc_view_get_document(LOK_DOC_VIEW(pDocView)); + if (pDocument && pDocument->pClass->getDocumentType(pDocument) == LOK_DOCTYPE_SPREADSHEET) + { + m_aHeaders.clear(); + char* pValues = pDocument->pClass->getCommandValues(pDocument, ".uno:ViewRowColumnHeaders"); + std::stringstream aStream(pValues); + free(pValues); + assert(!aStream.str().empty()); + boost::property_tree::ptree aTree; + boost::property_tree::read_json(aStream, aTree); + for (boost::property_tree::ptree::value_type& rValue : aTree.get_child("rows")) + { + Header aHeader(std::atoi(rValue.second.get("size").c_str()), rValue.second.get("text")); + m_aHeaders.push_back(aHeader); + } + gtk_widget_show(m_pDrawingArea); + gtk_widget_queue_draw(m_pDrawingArea); + } + + return TRUE; +} + static void lcl_registerToolItem(TiledWindow& rWindow, GtkToolItem* pItem, const std::string& rName) { rWindow.m_aToolItemCommandNames[pItem] = rName; @@ -797,11 +915,17 @@ static GtkWidget* createWindow(TiledWindow& rWindow) gtk_box_pack_end(GTK_BOX(rWindow.m_pVBox), rWindow.m_pFindbar, FALSE, FALSE, 0); + // Horizontal box for the row bar + doc view. + GtkWidget* pHBox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0); + gtk_container_add(GTK_CONTAINER(rWindow.m_pVBox), pHBox); + rWindow.m_pRowBar.reset(new TiledRowBar(rWindow.m_pDocView)); + gtk_box_pack_start(GTK_BOX(pHBox), rWindow.m_pRowBar->m_pDrawingArea, FALSE, FALSE, 0); + // Scrolled window for DocView rWindow.m_pScrolledWindow = gtk_scrolled_window_new(0, 0); gtk_widget_set_hexpand(rWindow.m_pScrolledWindow, TRUE); gtk_widget_set_vexpand(rWindow.m_pScrolledWindow, TRUE); - gtk_container_add(GTK_CONTAINER(rWindow.m_pVBox), rWindow.m_pScrolledWindow); + gtk_container_add(GTK_CONTAINER(pHBox), rWindow.m_pScrolledWindow); gtk_container_add(GTK_CONTAINER(rWindow.m_pScrolledWindow), rWindow.m_pDocView); @@ -818,6 +942,8 @@ static GtkWidget* createWindow(TiledWindow& rWindow) gtk_widget_show_all(pWindow); // Hide the findbar by default. gtk_widget_hide(rWindow.m_pFindbar); + // Same for the row bar. + gtk_widget_hide(rWindow.m_pRowBar->m_pDrawingArea); g_aWindows[pWindow] = rWindow; return pWindow; -- 2.12.0