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Code Issues Activity Actions

Help: Follow clicked links

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This also adds a toolbar and a menu which allow you to
navigate back and forth through history ^)
This commit is contained in:
Sergey Bugaev 2019-10-02 22:44:05 +03:00 • committed by Andreas Kling
parent afdc5688ec
commit 395e4210ef
4 changed files with 145 additions and 7 deletions
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90
Applications/Help/main.cpp
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@ -1,10 +1,17 @@
#include "History.h"
#include "ManualModel.h"
#include <LibCore/CFile.h>
#include <LibDraw/PNGLoader.h>
#include <LibGUI/GAboutDialog.h>
#include <LibGUI/GAction.h>
#include <LibGUI/GApplication.h>
#include <LibGUI/GBoxLayout.h>
#include <LibGUI/GMenu.h>
#include <LibGUI/GMenuBar.h>
#include <LibGUI/GMessageBox.h>
#include <LibGUI/GSplitter.h>
#include <LibGUI/GTextEditor.h>
#include <LibGUI/GToolBar.h>
#include <LibGUI/GTreeView.h>
#include <LibGUI/GWindow.h>
#include <LibHTML/HtmlView.h>
@ -12,6 +19,7 @@
#include <LibHTML/Parser/CSSParser.h>
#include <LibHTML/Parser/HTMLParser.h>
#include <LibMarkdown/MDDocument.h>
#include <libgen.h>
int main(int argc, char* argv[])
{
@ -21,7 +29,13 @@ int main(int argc, char* argv[])
window->set_title("Help");
window->set_rect(300, 200, 570, 500);
auto splitter = GSplitter::construct(Orientation::Horizontal, nullptr);
auto widget = GWidget::construct();
widget->set_layout(make<GBoxLayout>(Orientation::Vertical));
widget->layout()->set_spacing(0);
auto toolbar = GToolBar::construct(widget);
auto splitter = GSplitter::construct(Orientation::Horizontal, widget);
auto model = ManualModel::create();
@ -36,8 +50,17 @@ int main(int argc, char* argv[])
String css = default_stylesheet_source;
auto sheet = parse_css(css);
tree_view->on_selection_change = [&] {
String path = model->page_path(tree_view->selection().first());
History history;
RefPtr<GAction> go_back_action;
RefPtr<GAction> go_forward_action;
auto update_actions = [&]() {
go_back_action->set_enabled(history.can_go_back());
go_forward_action->set_enabled(history.can_go_forward());
};
auto open_page = [&](String path) {
if (path.is_null()) {
html_view->set_document(nullptr);
return;
@ -70,7 +93,66 @@ int main(int argc, char* argv[])
window->set_title(String::format("Help: %s", page_and_section.characters()));
};
window->set_main_widget(splitter);
tree_view->on_selection_change = [&] {
String path = model->page_path(tree_view->selection().first());
if (path.is_null()) {
html_view->set_document(nullptr);
return;
}
history.push(path);
update_actions();
open_page(path);
};
html_view->on_link_click = [&](const String& href) {
char* current_path = strdup(history.current().characters());
char* dir_path = dirname(current_path);
char* path = realpath(String::format("%s/%s", dir_path, href.characters()).characters(), nullptr);
free(current_path);
history.push(path);
update_actions();
open_page(path);
free(path);
};
go_back_action = GAction::create("Go Back", { Mod_Alt, Key_Left }, GraphicsBitmap::load_from_file("/res/icons/16x16/go-back.png"), [&](const GAction&) {
history.go_back();
update_actions();
open_page(history.current());
});
go_forward_action = GAction::create("Go Forward", { Mod_Alt, Key_Right }, GraphicsBitmap::load_from_file("/res/icons/16x16/go-forward.png"), [&](const GAction&) {
history.go_forward();
update_actions();
open_page(history.current());
});
go_back_action->set_enabled(false);
go_forward_action->set_enabled(false);
toolbar->add_action(*go_back_action);
toolbar->add_action(*go_forward_action);
auto menubar = make<GMenuBar>();
auto app_menu = make<GMenu>("Help");
app_menu->add_action(GAction::create("About", [&](const GAction&) {
GAboutDialog::show("Help", load_png("/res/icons/16x16/book.png"), window);
}));
app_menu->add_separator();
app_menu->add_action(GCommonActions::make_quit_action([](auto&) {
GApplication::the().quit(0);
}));
menubar->add_menu(move(app_menu));
auto go_menu = make<GMenu>("Go");
go_menu->add_action(*go_back_action);
go_menu->add_action(*go_forward_action);
menubar->add_menu(move(go_menu));
app.set_menubar(move(menubar));
window->set_main_widget(widget);
window->show();
window->set_icon(load_png("/res/icons/16x16/book.png"));