TextEditor: Move the application UI into a dedicated TextEditorWidget. (#292)

Added a main widget for the text editor as a stepping stone to add new features.
2025-05-16 15:44:57 +00:00 · 2019-07-11 13:52:33 -05:00 · 2019-07-11 13:52:33 -05:00 · d7b836858e
commit d7b836858e
parent 2dc0ea1cf9
4 changed files with 154 additions and 130 deletions
--- a/Applications/TextEditor/TextEditorWidget.cpp
+++ b/Applications/TextEditor/TextEditorWidget.cpp
@ -0,0 +1,124 @@
+#include "TextEditorWidget.h"
+#include <AK/StringBuilder.h>
+#include <LibCore/CFile.h>
+#include <LibGUI/GAction.h>
+#include <LibGUI/GBoxLayout.h>
+#include <LibGUI/GFilePicker.h>
+#include <LibGUI/GFontDatabase.h>
+#include <LibGUI/GMenuBar.h>
+#include <LibGUI/GMessageBox.h>
+#include <LibGUI/GStatusBar.h>
+#include <LibGUI/GTextEditor.h>
+#include <LibGUI/GToolBar.h>
+
+TextEditorWidget::TextEditorWidget()
+{
+    set_layout(make<GBoxLayout>(Orientation::Vertical));
+    layout()->set_spacing(0);
+
+    auto* toolbar = new GToolBar(this);
+    m_editor = new GTextEditor(GTextEditor::MultiLine, this);
+    m_editor->set_ruler_visible(true);
+    m_editor->set_automatic_indentation_enabled(true);
+    auto* statusbar = new GStatusBar(this);
+
+    m_editor->on_cursor_change = [statusbar, this] {
+        StringBuilder builder;
+        builder.appendf("Line: %d, Column: %d", m_editor->cursor().line(), m_editor->cursor().column());
+        statusbar->set_text(builder.to_string());
+    };
+
+    auto new_action = GAction::create("New document", { Mod_Ctrl, Key_N }, GraphicsBitmap::load_from_file("/res/icons/16x16/new.png"), [](const GAction&) {
+        dbgprintf("FIXME: Implement File/New\n");
+    });
+
+    auto open_action = GAction::create("Open document", { Mod_Ctrl, Key_O }, GraphicsBitmap::load_from_file("/res/icons/16x16/open.png"), [this](const GAction&) {
+        GFilePicker picker;
+
+        if (picker.exec() == GDialog::ExecOK) {
+            m_path = picker.selected_file().string();
+            open_sesame(m_path);
+        }
+    });
+
+    auto save_action = GAction::create("Save document", { Mod_Ctrl, Key_S }, GraphicsBitmap::load_from_file("/res/icons/16x16/save.png"), [this](const GAction&) {
+        dbgprintf("Writing document to '%s'\n", m_path.characters());
+        m_editor->write_to_file(m_path);
+    });
+
+    auto menubar = make<GMenuBar>();
+    auto app_menu = make<GMenu>("Text Editor");
+    app_menu->add_action(GAction::create("Quit", { Mod_Alt, Key_F4 }, [](const GAction&) {
+        GApplication::the().quit(0);
+        return;
+    }));
+    menubar->add_menu(move(app_menu));
+
+    auto file_menu = make<GMenu>("File");
+    file_menu->add_action(new_action.copy_ref());
+    file_menu->add_action(open_action.copy_ref());
+    file_menu->add_action(save_action.copy_ref());
+    menubar->add_menu(move(file_menu));
+
+    auto edit_menu = make<GMenu>("Edit");
+    edit_menu->add_action(m_editor->undo_action());
+    edit_menu->add_action(m_editor->redo_action());
+    edit_menu->add_separator();
+    edit_menu->add_action(m_editor->cut_action());
+    edit_menu->add_action(m_editor->copy_action());
+    edit_menu->add_action(m_editor->paste_action());
+    edit_menu->add_action(m_editor->delete_action());
+    menubar->add_menu(move(edit_menu));
+
+    auto font_menu = make<GMenu>("Font");
+    GFontDatabase::the().for_each_fixed_width_font([&](const StringView& font_name) {
+        font_menu->add_action(GAction::create(font_name, [this](const GAction& action) {
+            m_editor->set_font(GFontDatabase::the().get_by_name(action.text()));
+            m_editor->update();
+        }));
+    });
+    menubar->add_menu(move(font_menu));
+
+    auto help_menu = make<GMenu>("Help");
+    help_menu->add_action(GAction::create("About", [](const GAction&) {
+        dbgprintf("FIXME: Implement Help/About\n");
+    }));
+    menubar->add_menu(move(help_menu));
+
+    GApplication::the().set_menubar(move(menubar));
+
+    toolbar->add_action(move(new_action));
+    toolbar->add_action(move(open_action));
+    toolbar->add_action(move(save_action));
+
+    toolbar->add_separator();
+
+    toolbar->add_action(m_editor->cut_action());
+    toolbar->add_action(m_editor->copy_action());
+    toolbar->add_action(m_editor->paste_action());
+    toolbar->add_action(m_editor->delete_action());
+
+    toolbar->add_separator();
+
+    toolbar->add_action(m_editor->undo_action());
+    toolbar->add_action(m_editor->redo_action());
+
+    m_editor->set_focus(true);
+}
+
+TextEditorWidget::~TextEditorWidget()
+{
+}
+
+void TextEditorWidget::open_sesame(const String& path)
+{
+    dbgprintf("Our path to file in open_sesame: %s\n", path.characters());
+    CFile file(path);
+
+    if (!file.open(CIODevice::ReadOnly)) {
+        GMessageBox::show(String::format("Opening \"%s\" failed: %s", path.characters(), strerror(errno)), "Error", GMessageBox::Type::Error, window());
+    }
+
+    window()->set_title(String::format("Text Editor: %s", path.characters()));
+    m_editor->set_text(String::copy(file.read_all()));
+}