diff options
Diffstat (limited to 'distrib/sdl-1.2.15/src/video/photon/SDL_ph_mouse.c')
| -rw-r--r-- | distrib/sdl-1.2.15/src/video/photon/SDL_ph_mouse.c | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/distrib/sdl-1.2.15/src/video/photon/SDL_ph_mouse.c b/distrib/sdl-1.2.15/src/video/photon/SDL_ph_mouse.c new file mode 100644 index 0000000..a25aa1f --- /dev/null +++ b/distrib/sdl-1.2.15/src/video/photon/SDL_ph_mouse.c @@ -0,0 +1,220 @@ +/* + SDL - Simple DirectMedia Layer + Copyright (C) 1997-2012 Sam Lantinga + + This library 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 2.1 of the License, or (at your option) any later version. + + This library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + + Sam Lantinga + slouken@libsdl.org +*/ +#include "SDL_config.h" + +#include "SDL_mouse.h" +#include "../../events/SDL_events_c.h" +#include "../SDL_cursor_c.h" +#include "SDL_ph_mouse_c.h" + +struct WMcursor +{ + PhCursorDef_t *ph_cursor ; +}; + +void ph_FreeWMCursor(_THIS, WMcursor *cursor) +{ + if (window != NULL) + { + SDL_Lock_EventThread(); + + if (PtSetResource(window, Pt_ARG_CURSOR_TYPE, Ph_CURSOR_INHERIT, 0) < 0) + { + /* TODO: output error msg */ + } + + SDL_Unlock_EventThread(); + } + + SDL_free(cursor); +} + +WMcursor *ph_CreateWMCursor(_THIS, Uint8 *data, Uint8 *mask, int w, int h, int hot_x, int hot_y) +{ + WMcursor* cursor; + int clen, i; + unsigned char bit, databit, maskbit; + + /* Allocate and initialize the cursor memory */ + if ((cursor = (WMcursor*)SDL_malloc(sizeof(WMcursor))) == NULL) + { + SDL_OutOfMemory(); + return(NULL); + } + SDL_memset(cursor,0,sizeof(WMcursor)); + + cursor->ph_cursor = (PhCursorDef_t *) SDL_malloc(sizeof(PhCursorDef_t) + 32*4*2); + + if (cursor->ph_cursor == NULL) + { + SDL_SetError("ph_CreateWMCursor(): cursor malloc failed !\n"); + return NULL; + } + + SDL_memset(cursor->ph_cursor,0,(sizeof(PhCursorDef_t) + 32*4*2)); + + cursor->ph_cursor->hdr.type =Ph_RDATA_CURSOR; + cursor->ph_cursor->size1.x = (short)w; + cursor->ph_cursor->size1.y = (short)h; + cursor->ph_cursor->offset1.x = (short)hot_x; + cursor->ph_cursor->offset1.y = (short)hot_y; + cursor->ph_cursor->bytesperline1 = (char)w/8; + cursor->ph_cursor->color1 = Pg_WHITE; + cursor->ph_cursor->size2.x = (short)w; + cursor->ph_cursor->size2.y = (short)h; + cursor->ph_cursor->offset2.x = (short)hot_x; + cursor->ph_cursor->offset2.y = (short)hot_y; + cursor->ph_cursor->bytesperline2 = (char)w/8; + cursor->ph_cursor->color2 = Pg_BLACK; + + clen = (w/8)*h; + + /* Copy the mask and the data to different bitmap planes */ + for (i=0; i<clen; ++i) + { + for (bit = 0; bit < 8; bit++) + { + databit = data[i] & (1 << bit); + maskbit = mask[i] & (1 << bit); + + cursor->ph_cursor->images[i] |= (databit == 0) ? maskbit : 0; + /* If the databit != 0, treat it as a black pixel and + * ignore the maskbit (can't do an inverted color) */ + cursor->ph_cursor->images[i+clen] |= databit; + } + } + + /* #bytes following the hdr struct */ + cursor->ph_cursor->hdr.len =sizeof(PhCursorDef_t) + clen*2 - sizeof(PhRegionDataHdr_t); + + return (cursor); +} + +PhCursorDef_t ph_GetWMPhCursor(WMcursor *cursor) +{ + return (*cursor->ph_cursor); +} + +int ph_ShowWMCursor(_THIS, WMcursor* cursor) +{ + PtArg_t args[3]; + int nargs = 0; + + /* Don't do anything if the display is gone */ + if (window == NULL) + { + return (0); + } + + /* looks like photon can't draw mouse cursor in direct mode */ + if ((this->screen->flags & SDL_FULLSCREEN) == SDL_FULLSCREEN) + { + /* disable the fake mouse in the fullscreen OpenGL mode */ + if ((this->screen->flags & SDL_OPENGL) == SDL_OPENGL) + { + cursor=NULL; + } + else + { + return (0); + } + } + + /* Set the photon cursor, or blank if cursor is NULL */ + if (cursor!=NULL) + { + PtSetArg(&args[0], Pt_ARG_CURSOR_TYPE, Ph_CURSOR_BITMAP, 0); + /* Could set next to any PgColor_t value */ + PtSetArg(&args[1], Pt_ARG_CURSOR_COLOR, Ph_CURSOR_DEFAULT_COLOR , 0); + PtSetArg(&args[2], Pt_ARG_BITMAP_CURSOR, cursor->ph_cursor, (cursor->ph_cursor->hdr.len + sizeof(PhRegionDataHdr_t))); + nargs = 3; + } + else /* Ph_CURSOR_NONE */ + { + PtSetArg(&args[0], Pt_ARG_CURSOR_TYPE, Ph_CURSOR_NONE, 0); + nargs = 1; + } + + SDL_Lock_EventThread(); + + if (PtSetResources(window, nargs, args) < 0 ) + { + return (0); + } + + SDL_Unlock_EventThread(); + + return (1); +} + + +void ph_WarpWMCursor(_THIS, Uint16 x, Uint16 y) +{ + short abs_x, abs_y; + + SDL_Lock_EventThread(); + PtGetAbsPosition( window, &abs_x, &abs_y ); + PhMoveCursorAbs( PhInputGroup(NULL), x + abs_x, y + abs_y ); + SDL_Unlock_EventThread(); +} + + +void ph_CheckMouseMode(_THIS) +{ + /* If the mouse is hidden and input is grabbed, we use relative mode */ + if ( !(SDL_cursorstate & CURSOR_VISIBLE) && (this->input_grab != SDL_GRAB_OFF)) + { + mouse_relative = 1; + } + else + { + mouse_relative = 0; + } +} + + +void ph_UpdateMouse(_THIS) +{ + PhCursorInfo_t phcursor; + short abs_x; + short abs_y; + + /* Lock the event thread, in multi-threading environments */ + SDL_Lock_EventThread(); + + /* synchronizing photon mouse cursor position and SDL mouse position, if cursor appears over window. */ + PtGetAbsPosition(window, &abs_x, &abs_y); + PhQueryCursor(PhInputGroup(NULL), &phcursor); + if (((phcursor.pos.x >= abs_x) && (phcursor.pos.x <= abs_x + this->screen->w)) && + ((phcursor.pos.y >= abs_y) && (phcursor.pos.y <= abs_y + this->screen->h))) + { + SDL_PrivateAppActive(1, SDL_APPMOUSEFOCUS); + SDL_PrivateMouseMotion(0, 0, phcursor.pos.x-abs_x, phcursor.pos.y-abs_y); + } + else + { + SDL_PrivateAppActive(0, SDL_APPMOUSEFOCUS); + } + + /* Unlock the event thread, in multi-threading environments */ + SDL_Unlock_EventThread(); +} |