Mercurial > sdl-ios-xcode
view src/video/photon/SDL_ph_mouse.c @ 2288:e9bcf004c324
Merged fix for bug #482 from SDL 1.2 revision 3492.
author | Sam Lantinga <slouken@libsdl.org> |
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date | Sat, 29 Dec 2007 20:13:23 +0000 |
parents | c121d94672cb |
children | 99210400e8b9 |
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/* SDL - Simple DirectMedia Layer Copyright (C) 1997-2006 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) { /* disable the fake mouse in the fullscreen OpenGL mode */ if (this->screen->flags & SDL_INTERNALOPENGL) { 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(); } /* vi: set ts=4 sw=4 expandtab: */