| /* |
| 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: */ |