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authorLeo Prikler <leo.prikler@student.tugraz.at>2021-01-15 21:05:43 +0100
committerDavid Thompson <dthompson2@worcester.edu>2021-01-16 19:40:46 -0500
commitdbc5984dc1360944f4dd15f9d846829fab99f04d (patch)
tree026a5c23ce56c2308ad963356bae8b29fcec5d3d /sdl2
parent5b965d180a1f536affd51ffc2b51d5e90fbc362d (diff)
Add support for hints.
* sdl2/bindings.scm (SDL_HINT_DEFAULT, SDL_HINT_NORMAL, SDL_HINT_OVERRIDE) (sdl-set-hint-with-priority, sdl-get-hint): New variables. * sdl2/hints.scm: New file. * doc/api.texi: Add Hints.
Diffstat (limited to 'sdl2')
-rw-r--r--sdl2/bindings.scm14
-rw-r--r--sdl2/hints.scm142
2 files changed, 156 insertions, 0 deletions
diff --git a/sdl2/bindings.scm b/sdl2/bindings.scm
index a9fa17c..c46af8b 100644
--- a/sdl2/bindings.scm
+++ b/sdl2/bindings.scm
@@ -1301,3 +1301,17 @@ RETURN-TYPE and accept arguments of ARG-TYPES."
(define-foreign sdl-has-clipboard-text
int "SDL_HasClipboardText" '())
+
+;;;
+;;; Hints
+;;;
+
+(define-public SDL_HINT_DEFAULT 0)
+(define-public SDL_HINT_NORMAL 1)
+(define-public SDL_HINT_OVERRIDE 2)
+
+(define-foreign sdl-set-hint-with-priority
+ sdl-bool "SDL_SetHintWithPriority" (list '* '* int))
+
+(define-foreign sdl-get-hint
+ '* "SDL_GetHint" (list '*))
diff --git a/sdl2/hints.scm b/sdl2/hints.scm
new file mode 100644
index 0000000..9533e23
--- /dev/null
+++ b/sdl2/hints.scm
@@ -0,0 +1,142 @@
+;;; guile-sdl2 --- FFI bindings for SDL2
+;;; Copyright © 2021 Leo Prikler <leo.prikler@student.tugraz.at>
+;;;
+;;; This file is part of guile-sdl2.
+;;;
+;;; Guile-sdl2 is free software; you can redistribute it and/or modify
+;;; it under the terms of the GNU Lesser General Public License as
+;;; published by the Free Software Foundation; either version 3 of the
+;;; License, or (at your option) any later version.
+;;;
+;;; Guile-sdl2 is distributed in the hope that it will be useful, but
+;;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+;;; General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU Lesser General Public
+;;; License along with guile-sdl2. If not, see
+;;; <http://www.gnu.org/licenses/>.
+
+(define-module (sdl2 hints)
+ #:use-module (ice-9 match)
+ #:use-module (ice-9 optargs)
+ #:use-module (srfi srfi-9)
+ #:use-module (sdl2)
+ #:use-module ((sdl2 bindings) #:prefix ffi:)
+ #:use-module (system foreign)
+ #:export (get-hint set-hint!))
+
+(define (symbol->priority sym)
+ (match sym
+ ('default ffi:SDL_HINT_DEFAULT)
+ ('normal ffi:SDL_HINT_NORMAL)
+ ('override ffi:SDL_HINT_OVERRIDE)))
+
+(define (symbol->hint sym)
+ (match sym
+ ('accelerometer-as-joystick "SDL_ACCELEROMETER_AS_JOYSTICK")
+ ('allow-topmost "SDL_ALLOW_TOPMOST")
+ ('android-apk-expansion-main-file-version
+ "SDL_ANDROID_APK_EXPANSION_MAIN_FILE_VERSION")
+ ('android-apk-expansion-patch-file-version
+ "SDL_ANDROID_APK_EXPANSION_PATCH_FILE_VERSION")
+ ('android-separate-mouse-and-touch
+ "SDL_ANDROID_SEPARATE_MOUSE_AND_TOUCH")
+ ('apple-tv-ui-events "SDL_APPLE_TV_UI_EVENTS")
+ ('apple-tv-remote-allow-rotation
+ "SDL_APPLE_TV_REMOTE_ALLOW_ROTATION")
+ ('bmp-save-legacy-format "SDL_BMP_SAVE_LEGACY_FORMAT")
+ ('display-usable-bounds "SDL_DISPLAY_USABLE_BOUNDS")
+ ('emscripten-keyboard-element "SDL_EMSCRIPTEN_KEYBOARD_ELEMENT")
+ ('event-logging "SDL_EVENT_LOGGING")
+ ('framebuffer-acceleration "SDL_FRAMEBUFFER_ACCELERATION")
+ ('gamecontroller-ignore-devices "SDL_GAMECONTROLLER_IGNORE_DEVICES")
+ ('gamecontroller-ignore-devices-except
+ "SDL_GAMECONTROLLER_IGNORE_DEVICES_EXCEPT")
+ ('gamecontroller-use-button-labels "SDL_GAMECONTROLLER_USE_BUTTON_LABELS")
+ ('gamecontrollerconfig "SDL_GAMECONTROLLERCONFIG")
+ ('gamecontrollerconfig-file "SDL_GAMECONTROLLERCONFIG_FILE")
+ ('gamecontrollertype "SDL_GAMECONTROLLERTYPE")
+ ('grab-keyboard "SDL_GRAB_KEYBOARD")
+ ('idle-timer-disabled "SDL_IDLE_TIMER_DISABLED")
+ ('joystick-allow-background-events "SDL_JOYSTICK_ALLOW_BACKGROUND_EVENTS")
+ ('joystick-hidapi "SDL_JOYSTICK_HIDAPI")
+ ('joystick-hidapi-gamecube "SDL_JOYSTICK_HIDAPI_GAMECUBE")
+ ('joystick-hidapi-ps4 "SDL_JOYSTICK_HIDAPI_PS4")
+ ('joystick-hidapi-ps4-rumble "SDL_JOYSTICK_HIDAPI_PS4_RUMBLE")
+ ('joystick-hidapi-steam "SDL_JOYSTICK_HIDAPI_STEAM")
+ ('joystick-hidapi-steam-controllers
+ "SDL_JOYSTICK_HIDAPI_STEAM_CONTROLLERS")
+ ('joystick-hidapi-switch "SDL_JOYSTICK_HIDAPI_SWITCH")
+ ('joystick-hidapi-xbox "SDL_JOYSTICK_HIDAPI_XBOX")
+ ('mac-background-app "SDL_MAC_BACKGROUND_APP")
+ ('mac-ctrl-click-emulate-right-click
+ "SDL_MAC_CTRL_CLICK_EMULATE_RIGHT_CLICK")
+ ('mouse-double-click-radius "SDL_MOUSE_DOUBLE_CLICK_RADIUS")
+ ('mouse-focus-clickthrough "SDL_MOUSE_FOCUS_CLICKTHROUGH")
+ ('mouse-normal-speed-scale "SDL_MOUSE_NORMAL_SPEED_SCALE")
+ ('mouse-relative-mode-warp "SDL_MOUSE_RELATIVE_MODE_WARP")
+ ('mouse-relative-speed-scale "SDL_MOUSE_RELATIVE_SPEED_SCALE")
+ ('mouse-touch-events "SDL_MOUSE_TOUCH_EVENTS")
+ ('no-signal-handlers "SDL_NO_SIGNAL_HANDLERS")
+ ('orientations "SDL_ORIENTATIONS")
+ ('render-batching "SDL_RENDER_BATCHING")
+ ('render-direct3d11-debug "SDL_RENDER_DIRECT3D11_DEBUG")
+ ('render-direct3d-threadsafe "SDL_RENDER_DIRECT3D_THREADSAFE")
+ ('render-driver "SDL_RENDER_DRIVER")
+ ('render-logical-size-mode "SDL_RENDER_LOGICAL_SIZE_MODE")
+ ('render-opengl-shaders "SDL_RENDER_OPENGL_SHADERS")
+ ('render-scale-quality "SDL_RENDER_SCALE_QUALITY")
+ ('render-vsync "SDL_RENDER_VSYNC")
+ ('return-key-hides-ime "SDL_RETURN_KEY_HIDES_IME")
+ ('rpi-video-layer "SDL_RPI_VIDEO_LAYER")
+ ('qtwayland-content-orientation "SDL_QTWAYLAND_CONTENT_ORIENTATION")
+ ('qtwayland-window-flags "SDL_QTWAYLAND_WINDOW_FLAGS")
+ ('thread-stack-size "SDL_THREAD_STACK_SIZE")
+ ('timer-resolution "SDL_TIMER_RESOLUTION")
+ ('touch-mouse-events "SDL_TOUCH_MOUSE_EVENTS")
+ ('video-allow-screensaver "SDL_VIDEO_ALLOW_SCREENSAVER")
+ ('video-external-context "SDL_VIDEO_EXTERNAL_CONTEXT")
+ ('video-highdpi-disabled "SDL_VIDEO_HIGHDPI_DISABLED")
+ ('video-mac-fullscreen-spaces "SDL_VIDEO_MAC_FULLSCREEN_SPACES")
+ ('video-minimize-on-focus-loss "SDL_VIDEO_MINIMIZE_ON_FOCUS_LOSS")
+ ('video-window-share-pixel-format "SDL_VIDEO_WINDOW_SHARE_PIXEL_FORMAT")
+ ('video-win-d3dcompiler "SDL_VIDEO_WIN_D3DCOMPILER")
+ ('video-x11-force-egl "SDL_VIDEO_X11_FORCE_EGL")
+ ('video-x11-net-wm-ping "SDL_VIDEO_X11_NET_WM_PING")
+ ('video-x11-window-visualid "SDL_VIDEO_X11_WINDOW_VISUALID")
+ ('video-x11-xinerama "SDL_VIDEO_X11_XINERAMA")
+ ('video-x11-xrandr "SDL_VIDEO_X11_XRANDR")
+ ('video-x11-xvidmode "SDL_VIDEO_X11_XVIDMODE")
+ ('wave-fact-chunk "SDL_WAVE_FACT_CHUNK")
+ ('wave-riff-chunk-size "SDL_WAVE_RIFF_CHUNK_SIZE")
+ ('wave-truncation "SDL_WAVE_TRUNCATION")
+ ('windows-disable-thread-naming "SDL_WINDOWS_DISABLE_THREAD_NAMING")
+ ('windows-enable-message-loop "SDL_WINDOWS_ENABLE_MESSAGE_LOOP")
+ ('windows-intresource-icon "SDL_WINDOWS_INTRESOURCE_ICON")
+ ('windows-intresource-icon-small "SDL_WINDOWS_INTRESOURCE_ICON_SMALL")
+ ('windows-no-close-on-alt-f4 "SDL_WINDOWS_NO_CLOSE_ON_ALT_F4")
+ ('window-frame-usable-while-cursor-hidden
+ "SDL_WINDOW_FRAME_USABLE_WHILE_CURSOR_HIDDEN")
+ ('winrt-handle-back-button "SDL_WINRT_HANDLE_BACK_BUTTON")
+ ('winrt-privacy-policy-label "SDL_WINRT_PRIVACY_POLICY_LABEL")
+ ('winrt-privacy-policy-url "SDL_WINRT_PRIVACY_POLICY_URL")
+ ('xinput-enabled "SDL_XINPUT_ENABLED")
+ ('xinput-use-old-joystick-mapping "SDL_XINPUT_USE_OLD_JOYSTICK_MAPPING")))
+
+(define* (get-hint hint)
+ (let* ((hint* (string->pointer (symbol->hint hint)))
+ (value* (ffi:sdl-get-hint hint*)))
+ (and (not (null-pointer? value*))
+ (pointer->string value*))))
+
+(define* (set-hint! hint value #:optional (priority 'normal))
+ (let ((hint* (string->pointer (symbol->hint hint)))
+ (value* (string->pointer
+ (match value
+ (#t "1")
+ (#f "0")
+ ((? number? n) (number->string value))
+ ((? string? s) s))))
+ (priority (symbol->priority priority)))
+ (= (ffi:sdl-set-hint-with-priority hint* value* priority) 1)))