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add menu to change window size or fullscreen

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This commit is contained in:
Matthew Berry 2021-08-01 21:54:20 -07:00
parent 606bf07800
commit e3dd781f71
1 changed files with 26 additions and 9 deletions
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35
src/crab/common/frontend/sdl_opengl_imgui_frontend.cr
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@ -10,7 +10,6 @@ require "./shaders/*"
class SDLOpenGLImGuiFrontend < Frontend
CONTROLLERS = [StubbedController, GBController, GBAController]
ROM_EXTENSIONS = CONTROLLERS.reduce([] of String) { |acc, controller| acc + controller.extensions }
SCALE = 3
SHADERS = Path["#{__DIR__}/shaders"]
@controller : Controller
@ -31,6 +30,8 @@ class SDLOpenGLImGuiFrontend < Frontend
@enable_overlay = false
@pause = false
@recents : Array(String) = recents
@scale = 3
@fullscreen = false
@opengl_info : OpenGLInfo
@ -45,8 +46,8 @@ class SDLOpenGLImGuiFrontend < Frontend
@controller = init_controller(bios, rom)
@window = SDL::Window.new(
window_title(59.7),
@controller.window_width * SCALE,
@controller.window_height * SCALE,
@controller.window_width * @scale,
@controller.window_height * @scale,
x: LibSDL::WindowPosition::CENTERED,
y: LibSDL::WindowPosition::CENTERED,
flags: SDL::Window::Flags::OPENGL | SDL::Window::Flags::RESIZABLE
@ -124,9 +125,8 @@ class SDLOpenGLImGuiFrontend < Frontend
@recents.pop(@recents.size - 8) if @recents.size > 8
set_recents @recents
LibSDL.set_window_size(@window, @controller.window_width * SCALE, @controller.window_height * SCALE)
LibSDL.set_window_size(@window, @controller.window_width * @scale, @controller.window_height * @scale)
LibSDL.set_window_position(@window, LibSDL::WindowPosition::CENTERED, LibSDL::WindowPosition::CENTERED)
LibGL.viewport(0, 0, @window.width, @window.height)
@shader_programs[@controller.class].use
LibGL.disable(LibGL::BLEND)
@ -151,14 +151,16 @@ class SDLOpenGLImGuiFrontend < Frontend
when SDL::Event::Keyboard
if @keybindings.wants_input?
@keybindings.key_released(event.sym) unless event.pressed? # pass on key release
elsif event.mod.includes?(LibSDL::Keymod::LCTRL)
case event.sym
when LibSDL::Keycode::P then pause(!@pause) unless event.pressed?
when LibSDL::Keycode::F then @window.fullscreen = (@fullscreen = !@fullscreen) unless event.pressed?
when LibSDL::Keycode::Q then exit
end
elsif input = @keybindings[event.sym]?
@controller.handle_input(input, event.pressed?)
elsif event.sym == LibSDL::Keycode::TAB
@controller.toggle_sync if event.pressed?
elsif event.sym == LibSDL::Keycode::Q && event.mod.includes?(LibSDL::Keymod::LCTRL)
exit
elsif event.sym == LibSDL::Keycode::P && event.mod.includes?(LibSDL::Keymod::LCTRL)
pause(!@pause) unless event.pressed? # toggle pause on key release
end
when SDL::Event::JoyHat, SDL::Event::JoyButton then @controller.handle_controller_event(event)
when SDL::Event::Window
@ -242,6 +244,21 @@ class SDLOpenGLImGuiFrontend < Frontend
ImGui.end_menu
end
if ImGui.begin_menu "Audio/Video"
if ImGui.begin_menu "Frame size"
(1..8).each do |scale|
if ImGui.menu_item "#{scale}x", selected: scale == @scale
@scale = scale
LibSDL.set_window_size(@window, @controller.window_width * @scale, @controller.window_height * @scale)
end
end
ImGui.separator
@window.fullscreen = @fullscreen if ImGui.menu_item "Fullscreen", "Ctrl+F", pointerof(@fullscreen)
ImGui.end_menu
end
ImGui.end_menu
end
if ImGui.begin_menu "Debug"
ImGui.menu_item "Overlay", "", pointerof(@enable_overlay)
ImGui.separator