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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
commit | 940b4d1848e8c70ab7642901a68594e8016caffc (patch) | |
tree | eb72f344ee6c3d9b80a7ecc079ea79e9fba8676d /libreofficekit/qa/gtktiledviewer/gtv-calc-header-bar.cxx | |
parent | Initial commit. (diff) | |
download | libreoffice-upstream.tar.xz libreoffice-upstream.zip |
Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | libreofficekit/qa/gtktiledviewer/gtv-calc-header-bar.cxx | 234 |
1 files changed, 234 insertions, 0 deletions
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 000000000..794d15766 --- /dev/null +++ b/libreofficekit/qa/gtktiledviewer/gtv-calc-header-bar.cxx @@ -0,0 +1,234 @@ +/* -*- 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-calc-header-bar.hxx" + +#include <boost/property_tree/ptree.hpp> +#include <o3tl/unreachable.hxx> + +namespace { + +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; + CalcHeaderType m_eType; + + GtvCalcHeaderBarPrivateImpl() + : m_eType(CalcHeaderType::NONE) + { } +}; + +struct GtvCalcHeaderBarPrivate +{ + GtvCalcHeaderBarPrivateImpl* m_pImpl; + + GtvCalcHeaderBarPrivateImpl* operator->() + { + return m_pImpl; + } +}; + +} + +#if defined __clang__ +#if __has_warning("-Wdeprecated-volatile") +#pragma clang diagnostic push +#pragma clang diagnostic ignored "-Wdeprecated-volatile" +#endif +#endif +G_DEFINE_TYPE_WITH_PRIVATE(GtvCalcHeaderBar, gtv_calc_header_bar, GTK_TYPE_DRAWING_AREA); +#if defined __clang__ +#if __has_warning("-Wdeprecated-volatile") +#pragma clang diagnostic pop +#endif +#endif + +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); +} + +static 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()); +} + +static bool gtv_calc_header_bar_draw_impl(GtkWidget* pWidget, cairo_t* pCairo) +{ + GtvCalcHeaderBar* self = GTV_CALC_HEADER_BAR(pWidget); + GtvCalcHeaderBarPrivate& priv = getPrivate(GTV_CALC_HEADER_BAR(self)); + 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; + 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 if (priv->m_eType == CalcHeaderType::COLUMN) + { + aRectangle.x = nPrevious; + 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); + } + else + { + O3TL_UNREACHABLE; // should never happen + } + + gtv_calc_header_bar_draw_text(pCairo, aRectangle, rHeader.m_aText); + nPrevious = rHeader.m_nSize; + if (rHeader.m_nSize > self->m_nSizePixel) + break; + } + + if (priv->m_aHeaders.empty() && priv->m_eType == CalcHeaderType::CORNER) + { + GdkRectangle aRectangle; + aRectangle.x = 0; + aRectangle.y = 0; + aRectangle.width = ROW_HEADER_WIDTH - 1; + aRectangle.height = COLUMN_HEADER_HEIGHT - 1; + cairo_rectangle(pCairo, aRectangle.x, aRectangle.y, aRectangle.width, aRectangle.height); + cairo_stroke(pCairo); + } + + 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) +{ + GTK_WIDGET_CLASS(klass)->draw = gtv_calc_header_bar_draw; + G_OBJECT_CLASS(klass)->finalize = gtv_calc_header_bar_finalize; +} + +void gtv_calc_header_bar_configure(GtvCalcHeaderBar* bar, const boost::property_tree::ptree* values) +{ + GtvCalcHeaderBarPrivate& priv = getPrivate(bar); + priv->m_aHeaders.clear(); + + if (values) + { + boost::property_tree::ptree val = *values; + try + { + for (const boost::property_tree::ptree::value_type& rValue : val) + { + int nSize = std::round(std::atof(rValue.second.get<std::string>("size").c_str())); + if (nSize >= bar->m_nPositionPixel) + { + const int nScrolledSize = nSize - bar->m_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_and_width(GtvCalcHeaderBar* bar, CalcHeaderType eType) +{ + // TODO: Install type property for this class + GtvCalcHeaderBarPrivate& priv = getPrivate(bar); + priv->m_eType = eType; + + if (eType == CalcHeaderType::ROW) + gtk_widget_set_size_request(GTK_WIDGET(bar), ROW_HEADER_WIDTH, -1); + else if (eType == CalcHeaderType::COLUMN) + gtk_widget_set_size_request(GTK_WIDGET(bar), -1, COLUMN_HEADER_HEIGHT); +} + +GtkWidget* +gtv_calc_header_bar_new() +{ + return GTK_WIDGET(g_object_new(GTV_TYPE_CALC_HEADER_BAR, + nullptr)); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |