diff options
Diffstat (limited to 'src/glut/os2/glut_cursor.cpp')
| -rw-r--r-- | src/glut/os2/glut_cursor.cpp | 420 |
1 files changed, 210 insertions, 210 deletions
diff --git a/src/glut/os2/glut_cursor.cpp b/src/glut/os2/glut_cursor.cpp index 9784e9b622..0db0aa64a4 100644 --- a/src/glut/os2/glut_cursor.cpp +++ b/src/glut/os2/glut_cursor.cpp @@ -1,210 +1,210 @@ -
-/* Copyright (c) Mark J. Kilgard, 1995, 1998. */
-
-/* This program is freely distributable without licensing fees
- and is provided without guarantee or warrantee expressed or
- implied. This program is -not- in the public domain. */
-
-#include "glutint.h"
-
-#if !defined(_WIN32) && !defined(__OS2PM__)
-#include <X11/Xatom.h> /* For XA_CURSOR */
-#include <X11/cursorfont.h>
-#endif
-
-typedef struct _CursorTable {
-#if defined(_WIN32)
- char* glyph;
-#else
- int glyph;
-#endif
- Cursor cursor;
-} CursorTable;
-/* *INDENT-OFF* */
-
-static CursorTable cursorTable[] = {
- {XC_arrow, None}, /* GLUT_CURSOR_RIGHT_ARROW */
- {XC_top_left_arrow, None}, /* GLUT_CURSOR_LEFT_ARROW */
- {XC_hand1, None}, /* GLUT_CURSOR_INFO */
- {XC_pirate, None}, /* GLUT_CURSOR_DESTROY */
- {XC_question_arrow, None}, /* GLUT_CURSOR_HELP */
- {XC_exchange, None}, /* GLUT_CURSOR_CYCLE */
- {XC_spraycan, None}, /* GLUT_CURSOR_SPRAY */
- {XC_watch, None}, /* GLUT_CURSOR_WAIT */
- {XC_xterm, None}, /* GLUT_CURSOR_TEXT */
- {XC_crosshair, None}, /* GLUT_CURSOR_CROSSHAIR */
- {XC_sb_v_double_arrow, None}, /* GLUT_CURSOR_UP_DOWN */
- {XC_sb_h_double_arrow, None}, /* GLUT_CURSOR_LEFT_RIGHT */
- {XC_top_side, None}, /* GLUT_CURSOR_TOP_SIDE */
- {XC_bottom_side, None}, /* GLUT_CURSOR_BOTTOM_SIDE */
- {XC_left_side, None}, /* GLUT_CURSOR_LEFT_SIDE */
- {XC_right_side, None}, /* GLUT_CURSOR_RIGHT_SIDE */
- {XC_top_left_corner, None}, /* GLUT_CURSOR_TOP_LEFT_CORNER */
- {XC_top_right_corner, None}, /* GLUT_CURSOR_TOP_RIGHT_CORNER */
- {XC_bottom_right_corner, None}, /* GLUT_CURSOR_BOTTOM_RIGHT_CORNER */
- {XC_bottom_left_corner, None}, /* GLUT_CURSOR_BOTTOM_LEFT_CORNER */
-};
-/* *INDENT-ON* */
-
-#if !defined(_WIN32) && !defined(__OS2PM__)
-static Cursor blankCursor = None;
-static Cursor fullCrosshairCusor = None;
-
-/* SGI X server's support a special property called the
- _SGI_CROSSHAIR_CURSOR that when installed as a window's
- cursor, becomes a full screen crosshair cursor. SGI
- has special cursor generation hardware for this case. */
-static Cursor
-getFullCrosshairCursor(void)
-{
- Cursor cursor;
- Atom crosshairAtom, actualType;
- int rc, actualFormat;
- unsigned long n, left;
- unsigned long *value;
-
- if (fullCrosshairCusor == None) {
- crosshairAtom = XInternAtom(__glutDisplay,
- "_SGI_CROSSHAIR_CURSOR", True);
- if (crosshairAtom != None) {
- value = 0; /* Make compiler happy. */
- rc = XGetWindowProperty(__glutDisplay, __glutRoot,
- crosshairAtom, 0, 1, False, XA_CURSOR, &actualType,
- &actualFormat, &n, &left, (unsigned char **) &value);
- if (rc == Success && actualFormat == 32 && n >= 1) {
- cursor = value[0];
- XFree(value);
- return cursor;
- }
- }
- }
- return XCreateFontCursor(__glutDisplay, XC_crosshair);
-}
-
-/* X11 forces you to create a blank cursor if you want
- to disable the cursor. */
-static Cursor
-makeBlankCursor(void)
-{
- static char data[1] =
- {0};
- Cursor cursor;
- Pixmap blank;
- XColor dummy;
-
- blank = XCreateBitmapFromData(__glutDisplay, __glutRoot,
- data, 1, 1);
- if (blank == None)
- __glutFatalError("out of memory.");
- cursor = XCreatePixmapCursor(__glutDisplay, blank, blank,
- &dummy, &dummy, 0, 0);
- XFreePixmap(__glutDisplay, blank);
-
- return cursor;
-}
-#endif /* !_WIN32 && !__OS2PM__*/
-
-/* Win32 and X11 use this same function to accomplish
- fairly different tasks. X11 lets you just define the
- cursor for a window and the window system takes care
- of making sure that the window's cursor is installed
- when the mouse is in the window. Win32 requires the
- application to handle a WM_SETCURSOR message to install
- the right cursor when windows are entered. Think of
- the Win32 __glutSetCursor (called from __glutWindowProc)
- as "install cursor". Think of the X11 __glutSetCursor
- (called from glutSetCursor) as "define cursor". */
-void
-__glutSetCursor(GLUTwindow *window)
-{
- int cursor = window->cursor;
- Cursor xcursor = 0;
-
- if (cursor >= 0 &&
- cursor < sizeof(cursorTable) / sizeof(cursorTable[0])) {
- if (cursorTable[cursor].cursor == None) {
- cursorTable[cursor].cursor = XCreateFontCursor(__glutDisplay,
- cursorTable[cursor].glyph);
- }
- xcursor = cursorTable[cursor].cursor;
- } else {
- /* Special cases. */
- switch (cursor) {
- case GLUT_CURSOR_INHERIT:
-#if defined(_WIN32)
- while (window->parent) {
- window = window->parent;
- if (window->cursor != GLUT_CURSOR_INHERIT) {
- __glutSetCursor(window);
- return;
- }
- }
- /* XXX Default to an arrow cursor. Is this
- right or should we be letting the default
- window proc be installing some system cursor? */
- xcursor = cursorTable[0].cursor;
- if (xcursor == NULL) {
- xcursor =
- cursorTable[0].cursor =
- LoadCursor(NULL, cursorTable[0].glyph);
- }
-
-#elif defined(__OS2PM__)
-//todo
- xcursor = None;
-
-#else
- xcursor = None;
-#endif
- break;
- case GLUT_CURSOR_NONE:
-#if defined(_WIN32) || defined(__OS2PM__)
- xcursor = NULL;
-#else
- if (blankCursor == None) {
- blankCursor = makeBlankCursor();
- }
- xcursor = blankCursor;
-#endif
- break;
- case GLUT_CURSOR_FULL_CROSSHAIR:
-#if defined(_WIN32)
- xcursor = (HICON) IDC_CROSS;
-#elif defined(__OS2PM__)
-//todo
-#else
- if (fullCrosshairCusor == None) {
- fullCrosshairCusor = getFullCrosshairCursor();
- }
- xcursor = fullCrosshairCusor;
-#endif
- break;
- }
- }
- XDefineCursor(__glutDisplay,
- window->win, xcursor);
- XFlush(__glutDisplay);
-}
-
-/* CENTRY */
-void GLUTAPIENTRY
-glutSetCursor(int cursor)
-{
-#ifdef _WIN32
- POINT point;
-
- __glutCurrentWindow->cursor = cursor;
- /* Are we in the window right now? If so,
- install the cursor. */
- GetCursorPos(&point);
- if (__glutCurrentWindow->win == WindowFromPoint(point)) {
- __glutSetCursor(__glutCurrentWindow);
- }
-#elif defined(__OS2PM__)
-//todo
-#else
- __glutCurrentWindow->cursor = cursor;
- __glutSetCursor(__glutCurrentWindow);
-#endif
-}
-/* ENDCENTRY */
+ +/* Copyright (c) Mark J. Kilgard, 1995, 1998. */ + +/* This program is freely distributable without licensing fees + and is provided without guarantee or warrantee expressed or + implied. This program is -not- in the public domain. */ + +#include "glutint.h" + +#if !defined(_WIN32) && !defined(__OS2PM__) +#include <X11/Xatom.h> /* For XA_CURSOR */ +#include <X11/cursorfont.h> +#endif + +typedef struct _CursorTable { +#if defined(_WIN32) + char* glyph; +#else + int glyph; +#endif + Cursor cursor; +} CursorTable; +/* *INDENT-OFF* */ + +static CursorTable cursorTable[] = { + {XC_arrow, None}, /* GLUT_CURSOR_RIGHT_ARROW */ + {XC_top_left_arrow, None}, /* GLUT_CURSOR_LEFT_ARROW */ + {XC_hand1, None}, /* GLUT_CURSOR_INFO */ + {XC_pirate, None}, /* GLUT_CURSOR_DESTROY */ + {XC_question_arrow, None}, /* GLUT_CURSOR_HELP */ + {XC_exchange, None}, /* GLUT_CURSOR_CYCLE */ + {XC_spraycan, None}, /* GLUT_CURSOR_SPRAY */ + {XC_watch, None}, /* GLUT_CURSOR_WAIT */ + {XC_xterm, None}, /* GLUT_CURSOR_TEXT */ + {XC_crosshair, None}, /* GLUT_CURSOR_CROSSHAIR */ + {XC_sb_v_double_arrow, None}, /* GLUT_CURSOR_UP_DOWN */ + {XC_sb_h_double_arrow, None}, /* GLUT_CURSOR_LEFT_RIGHT */ + {XC_top_side, None}, /* GLUT_CURSOR_TOP_SIDE */ + {XC_bottom_side, None}, /* GLUT_CURSOR_BOTTOM_SIDE */ + {XC_left_side, None}, /* GLUT_CURSOR_LEFT_SIDE */ + {XC_right_side, None}, /* GLUT_CURSOR_RIGHT_SIDE */ + {XC_top_left_corner, None}, /* GLUT_CURSOR_TOP_LEFT_CORNER */ + {XC_top_right_corner, None}, /* GLUT_CURSOR_TOP_RIGHT_CORNER */ + {XC_bottom_right_corner, None}, /* GLUT_CURSOR_BOTTOM_RIGHT_CORNER */ + {XC_bottom_left_corner, None}, /* GLUT_CURSOR_BOTTOM_LEFT_CORNER */ +}; +/* *INDENT-ON* */ + +#if !defined(_WIN32) && !defined(__OS2PM__) +static Cursor blankCursor = None; +static Cursor fullCrosshairCusor = None; + +/* SGI X server's support a special property called the + _SGI_CROSSHAIR_CURSOR that when installed as a window's + cursor, becomes a full screen crosshair cursor. SGI + has special cursor generation hardware for this case. */ +static Cursor +getFullCrosshairCursor(void) +{ + Cursor cursor; + Atom crosshairAtom, actualType; + int rc, actualFormat; + unsigned long n, left; + unsigned long *value; + + if (fullCrosshairCusor == None) { + crosshairAtom = XInternAtom(__glutDisplay, + "_SGI_CROSSHAIR_CURSOR", True); + if (crosshairAtom != None) { + value = 0; /* Make compiler happy. */ + rc = XGetWindowProperty(__glutDisplay, __glutRoot, + crosshairAtom, 0, 1, False, XA_CURSOR, &actualType, + &actualFormat, &n, &left, (unsigned char **) &value); + if (rc == Success && actualFormat == 32 && n >= 1) { + cursor = value[0]; + XFree(value); + return cursor; + } + } + } + return XCreateFontCursor(__glutDisplay, XC_crosshair); +} + +/* X11 forces you to create a blank cursor if you want + to disable the cursor. */ +static Cursor +makeBlankCursor(void) +{ + static char data[1] = + {0}; + Cursor cursor; + Pixmap blank; + XColor dummy; + + blank = XCreateBitmapFromData(__glutDisplay, __glutRoot, + data, 1, 1); + if (blank == None) + __glutFatalError("out of memory."); + cursor = XCreatePixmapCursor(__glutDisplay, blank, blank, + &dummy, &dummy, 0, 0); + XFreePixmap(__glutDisplay, blank); + + return cursor; +} +#endif /* !_WIN32 && !__OS2PM__*/ + +/* Win32 and X11 use this same function to accomplish + fairly different tasks. X11 lets you just define the + cursor for a window and the window system takes care + of making sure that the window's cursor is installed + when the mouse is in the window. Win32 requires the + application to handle a WM_SETCURSOR message to install + the right cursor when windows are entered. Think of + the Win32 __glutSetCursor (called from __glutWindowProc) + as "install cursor". Think of the X11 __glutSetCursor + (called from glutSetCursor) as "define cursor". */ +void +__glutSetCursor(GLUTwindow *window) +{ + int cursor = window->cursor; + Cursor xcursor = 0; + + if (cursor >= 0 && + cursor < sizeof(cursorTable) / sizeof(cursorTable[0])) { + if (cursorTable[cursor].cursor == None) { + cursorTable[cursor].cursor = XCreateFontCursor(__glutDisplay, + cursorTable[cursor].glyph); + } + xcursor = cursorTable[cursor].cursor; + } else { + /* Special cases. */ + switch (cursor) { + case GLUT_CURSOR_INHERIT: +#if defined(_WIN32) + while (window->parent) { + window = window->parent; + if (window->cursor != GLUT_CURSOR_INHERIT) { + __glutSetCursor(window); + return; + } + } + /* XXX Default to an arrow cursor. Is this + right or should we be letting the default + window proc be installing some system cursor? */ + xcursor = cursorTable[0].cursor; + if (xcursor == NULL) { + xcursor = + cursorTable[0].cursor = + LoadCursor(NULL, cursorTable[0].glyph); + } + +#elif defined(__OS2PM__) +//todo + xcursor = None; + +#else + xcursor = None; +#endif + break; + case GLUT_CURSOR_NONE: +#if defined(_WIN32) || defined(__OS2PM__) + xcursor = NULL; +#else + if (blankCursor == None) { + blankCursor = makeBlankCursor(); + } + xcursor = blankCursor; +#endif + break; + case GLUT_CURSOR_FULL_CROSSHAIR: +#if defined(_WIN32) + xcursor = (HICON) IDC_CROSS; +#elif defined(__OS2PM__) +//todo +#else + if (fullCrosshairCusor == None) { + fullCrosshairCusor = getFullCrosshairCursor(); + } + xcursor = fullCrosshairCusor; +#endif + break; + } + } + XDefineCursor(__glutDisplay, + window->win, xcursor); + XFlush(__glutDisplay); +} + +/* CENTRY */ +void GLUTAPIENTRY +glutSetCursor(int cursor) +{ +#ifdef _WIN32 + POINT point; + + __glutCurrentWindow->cursor = cursor; + /* Are we in the window right now? If so, + install the cursor. */ + GetCursorPos(&point); + if (__glutCurrentWindow->win == WindowFromPoint(point)) { + __glutSetCursor(__glutCurrentWindow); + } +#elif defined(__OS2PM__) +//todo +#else + __glutCurrentWindow->cursor = cursor; + __glutSetCursor(__glutCurrentWindow); +#endif +} +/* ENDCENTRY */ |