c5c94a6be6
(SDL_SetError(), SDL_OutOfMemory(), SDL_Unsupported(), SDL_InvalidParam()) Update prototype to forward errors to generic layer, for the functions: MoveCursor, WarpMouse, GL_DeleteContext, GetDisplayModes. Check invalid parameter in SDL_SetTextInputRect() generic layer.
167 lines
5.2 KiB
C
167 lines
5.2 KiB
C
/*
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Simple DirectMedia Layer
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Copyright (C) 1997-2023 Sam Lantinga <slouken@libsdl.org>
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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*/
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#include "SDL_internal.h"
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#ifndef SDL_mouse_c_h_
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#define SDL_mouse_c_h_
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struct SDL_Cursor
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{
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struct SDL_Cursor *next;
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void *driverdata;
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};
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typedef struct
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{
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SDL_MouseID mouseID;
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Uint32 buttonstate;
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} SDL_MouseInputSource;
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typedef struct
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{
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float last_x, last_y;
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Uint64 last_timestamp;
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Uint8 click_count;
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} SDL_MouseClickState;
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typedef struct
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{
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/* Create a cursor from a surface */
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SDL_Cursor *(*CreateCursor)(SDL_Surface *surface, int hot_x, int hot_y);
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/* Create a system cursor */
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SDL_Cursor *(*CreateSystemCursor)(SDL_SystemCursor id);
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/* Show the specified cursor, or hide if cursor is NULL */
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int (*ShowCursor)(SDL_Cursor *cursor);
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/* This is called when a mouse motion event occurs */
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int (*MoveCursor)(SDL_Cursor *cursor);
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/* Free a window manager cursor */
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void (*FreeCursor)(SDL_Cursor *cursor);
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/* Warp the mouse to (x,y) within a window */
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int (*WarpMouse)(SDL_Window *window, float x, float y);
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/* Warp the mouse to (x,y) in screen space */
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int (*WarpMouseGlobal)(float x, float y);
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/* Set relative mode */
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int (*SetRelativeMouseMode)(SDL_bool enabled);
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/* Set mouse capture */
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int (*CaptureMouse)(SDL_Window *window);
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/* Get absolute mouse coordinates. (x) and (y) are never NULL and set to zero before call. */
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Uint32 (*GetGlobalMouseState)(float *x, float *y);
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/* Data common to all mice */
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SDL_MouseID mouseID;
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SDL_Window *focus;
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float x;
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float y;
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float xdelta;
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float ydelta;
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float last_x, last_y; /* the last reported x and y coordinates */
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SDL_bool has_position;
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SDL_bool relative_mode;
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SDL_bool relative_mode_warp;
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SDL_bool relative_mode_warp_motion;
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SDL_bool enable_normal_speed_scale;
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float normal_speed_scale;
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SDL_bool enable_relative_speed_scale;
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float relative_speed_scale;
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SDL_bool enable_relative_system_scale;
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int num_system_scale_values;
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float *system_scale_values;
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Uint32 double_click_time;
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int double_click_radius;
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SDL_bool touch_mouse_events;
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SDL_bool mouse_touch_events;
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SDL_bool was_touch_mouse_events; /* Was a touch-mouse event pending? */
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#if defined(__vita__)
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Uint8 vita_touch_mouse_device;
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#endif
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SDL_bool auto_capture;
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SDL_bool capture_desired;
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SDL_Window *capture_window;
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/* Data for input source state */
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int num_sources;
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SDL_MouseInputSource *sources;
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/* Data for double-click tracking */
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int num_clickstates;
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SDL_MouseClickState *clickstate;
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SDL_Cursor *cursors;
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SDL_Cursor *def_cursor;
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SDL_Cursor *cur_cursor;
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SDL_bool cursor_shown;
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/* Driver-dependent data. */
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void *driverdata;
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} SDL_Mouse;
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/* Initialize the mouse subsystem */
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extern int SDL_InitMouse(void);
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/* Get the mouse state structure */
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SDL_Mouse *SDL_GetMouse(void);
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/* Set the default mouse cursor */
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extern void SDL_SetDefaultCursor(SDL_Cursor *cursor);
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/* Set the mouse focus window */
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extern void SDL_SetMouseFocus(SDL_Window *window);
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/* Update the mouse capture window */
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extern int SDL_UpdateMouseCapture(SDL_bool force_release);
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/* You can set either a single scale, or a set of {speed, scale} values in sorted order */
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extern int SDL_SetMouseSystemScale(int num_values, const float *values);
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/* Send a mouse motion event */
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extern int SDL_SendMouseMotion(Uint64 timestamp, SDL_Window *window, SDL_MouseID mouseID, int relative, float x, float y);
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/* Send a mouse button event */
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extern int SDL_SendMouseButton(Uint64 timestamp, SDL_Window *window, SDL_MouseID mouseID, Uint8 state, Uint8 button);
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/* Send a mouse button event with a click count */
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extern int SDL_SendMouseButtonClicks(Uint64 timestamp, SDL_Window *window, SDL_MouseID mouseID, Uint8 state, Uint8 button, int clicks);
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/* Send a mouse wheel event */
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extern int SDL_SendMouseWheel(Uint64 timestamp, SDL_Window *window, SDL_MouseID mouseID, float x, float y, SDL_MouseWheelDirection direction);
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/* Warp the mouse within the window, potentially overriding relative mode */
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extern void SDL_PerformWarpMouseInWindow(SDL_Window *window, float x, float y, SDL_bool ignore_relative_mode);
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/* TODO RECONNECT: Set mouse state to "zero" */
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#if 0
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extern void SDL_ResetMouse(void);
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#endif /* 0 */
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/* Shutdown the mouse subsystem */
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extern void SDL_QuitMouse(void);
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#endif /* SDL_mouse_c_h_ */
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