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Code Issues Activity Actions

PaintBrush: Add support for opening files.

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Obviously this only supports whatever PNG files that load_png() can decode
at the moment.
This commit is contained in:
Andreas Kling 2019-06-25 20:27:32 +02:00
parent 8adae51b35
commit b529b4a3e6
3 changed files with 24 additions and 0 deletions
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6
Applications/PaintBrush/PaintableWidget.cpp
View file

@ -90,3 +90,9 @@ void PaintableWidget::set_secondary_color(Color color)
if (on_secondary_color_change) if (on_secondary_color_change)
on_secondary_color_change(color); on_secondary_color_change(color);
} }
void PaintableWidget::set_bitmap(const GraphicsBitmap& bitmap)
{
m_bitmap = bitmap;
update();
}

2
Applications/PaintBrush/PaintableWidget.h
View file

@ -23,6 +23,8 @@ public:
Color color_for(const GMouseEvent&); Color color_for(const GMouseEvent&);
void set_bitmap(const GraphicsBitmap&);
GraphicsBitmap& bitmap() { return *m_bitmap; } GraphicsBitmap& bitmap() { return *m_bitmap; }
const GraphicsBitmap& bitmap() const { return *m_bitmap; } const GraphicsBitmap& bitmap() const { return *m_bitmap; }

16
Applications/PaintBrush/main.cpp
View file

@ -4,9 +4,12 @@
#include <LibGUI/GAction.h> #include <LibGUI/GAction.h>
#include <LibGUI/GApplication.h> #include <LibGUI/GApplication.h>
#include <LibGUI/GBoxLayout.h> #include <LibGUI/GBoxLayout.h>
#include <LibGUI/GFilePicker.h>
#include <LibGUI/GMenu.h> #include <LibGUI/GMenu.h>
#include <LibGUI/GMenuBar.h> #include <LibGUI/GMenuBar.h>
#include <LibGUI/GMessageBox.h>
#include <LibGUI/GWindow.h> #include <LibGUI/GWindow.h>
#include <SharedGraphics/PNGLoader.h>
int main(int argc, char** argv) int main(int argc, char** argv)
{ {
@ -41,6 +44,19 @@ int main(int argc, char** argv)
menubar->add_menu(move(app_menu)); menubar->add_menu(move(app_menu));
auto file_menu = make<GMenu>("File"); auto file_menu = make<GMenu>("File");
file_menu->add_action(GAction::create("Open...", { Mod_Ctrl, Key_O }, [&](auto&) {
GFilePicker picker;
if (picker.exec() == GFilePicker::ExecOK) {
auto filename = picker.selected_file().string();
auto bitmap = load_png(filename);
if (!bitmap) {
GMessageBox msgbox(String::format("Failed to load '%s'", filename.characters()), "Open failed", GMessageBox::Type::Error, window);
msgbox.exec();
return;
}
paintable_widget->set_bitmap(*bitmap);
}
}));
menubar->add_menu(move(file_menu)); menubar->add_menu(move(file_menu));
auto edit_menu = make<GMenu>("Edit"); auto edit_menu = make<GMenu>("Edit");