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hide cursor when ui times out

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Matthew Berry 2022-09-25 01:02:32 -07:00
parent 8704417243
commit 4551104192
1 changed files with 14 additions and 3 deletions
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17
src/crab/common/frontend/sdl_opengl_imgui_frontend.cr
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@ -28,7 +28,7 @@ class SDLOpenGLImGuiFrontend < Frontend
@last_time = Time.utc
@seconds : Int32 = Time.utc.second
@last_sdl_timestamp = 0_u32
@last_mouse_motion = 0_u32
@enable_overlay = false
@pause = false
@scale = 3
@ -169,7 +169,7 @@ class SDLOpenGLImGuiFrontend < Frontend
case LibSDL::WindowEventID.new(event.event.to_i!)
when LibSDL::WindowEventID::SIZE_CHANGED then LibGL.viewport(0, 0, @window.width, @window.height)
end
when SDL::Event::MouseMotion then @last_sdl_timestamp = event.timestamp
when SDL::Event::MouseMotion then @last_mouse_motion = event.timestamp
when SDL::Event::Quit then exit
else nil
end
@ -204,6 +204,17 @@ class SDLOpenGLImGuiFrontend < Frontend
@controller.class == StubbedController
end
# Determine whether to show the main menu bar and set the cursor accordingly.
# todo: don't time out menu bar when menu item is open
private def show_menu_bar? : Bool
window_focused = LibSDL.get_mouse_focus == @window.to_unsafe
mouse_timed_out = LibSDL.get_ticks - @last_mouse_motion > 3000 # 3 second timeout
dialog_open = @file_explorer.open? || @keybindings.open?
res = stubbed? || (window_focused && !mouse_timed_out) || dialog_open
LibSDL.show_cursor(res)
res
end
private def render_imgui : Nil
ImGui::OpenGL3.new_frame
ImGui::SDL2.new_frame(@window)
@ -214,7 +225,7 @@ class SDLOpenGLImGuiFrontend < Frontend
open_bios_selection = false
open_keybindings = false
if ((LibSDL.get_mouse_focus && LibSDL.get_ticks - @last_sdl_timestamp < 3000) || stubbed?) && !@file_explorer.open? && !@keybindings.open?
if show_menu_bar?
if ImGui.begin_main_menu_bar
if ImGui.begin_menu "File"
open_rom_selection = ImGui.menu_item "Open ROM"