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Add more standard cursors

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This adds the standard cursors for diagonal and omnidirectional
resize/move and operation-not-allowed.  It also adds new (better?) names
for the horizontal and vertical resize/move and pointing hand cursors.

References:
 - https://developer.apple.com/documentation/appkit/nscursor
 - https://stackoverflow.com/questions/10733228/
 - https://docs.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-setsystemcursor
 - https://freedesktop.org/wiki/Specifications/cursor-spec/
 - https://tronche.com/gui/x/xlib/appendix/b/

Related to #427.
This commit is contained in:
Camilla Löwy
2019-05-07 20:40:37 +02:00
parent 80fde12fda
commit 7dbdd2e6a5
14 changed files with 393 additions and 119 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/cocoa_window.m
+40 -14
View File
@@ -1603,23 +1603,49 @@ int _glfwPlatformCreateStandardCursor(_GLFWcursor* cursor, int shape)
{
@autoreleasepool {
if (shape == GLFW_ARROW_CURSOR)
cursor->ns.object = [NSCursor arrowCursor];
else if (shape == GLFW_IBEAM_CURSOR)
cursor->ns.object = [NSCursor IBeamCursor];
else if (shape == GLFW_CROSSHAIR_CURSOR)
cursor->ns.object = [NSCursor crosshairCursor];
else if (shape == GLFW_HAND_CURSOR)
cursor->ns.object = [NSCursor pointingHandCursor];
else if (shape == GLFW_HRESIZE_CURSOR)
cursor->ns.object = [NSCursor resizeLeftRightCursor];
else if (shape == GLFW_VRESIZE_CURSOR)
cursor->ns.object = [NSCursor resizeUpDownCursor];
SEL cursorSelector = NULL;
// HACK: Try to use a private message
if (shape == GLFW_RESIZE_EW_CURSOR)
cursorSelector = @selector(_windowResizeEastWestCursor);
else if (shape == GLFW_RESIZE_NS_CURSOR)
cursorSelector = @selector(_windowResizeNorthSouthCursor);
else if (shape == GLFW_RESIZE_NWSE_CURSOR)
cursorSelector = @selector(_windowResizeNorthWestSouthEastCursor);
else if (shape == GLFW_RESIZE_NESW_CURSOR)
cursorSelector = @selector(_windowResizeNorthEastSouthWestCursor);
if (cursorSelector && [NSCursor respondsToSelector:cursorSelector])
{
id object = [NSCursor performSelector:cursorSelector];
if ([object isKindOfClass:[NSCursor class]])
cursor->ns.object = object;
}
if (!cursor->ns.object)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Cocoa: Failed to retrieve standard cursor");
if (shape == GLFW_ARROW_CURSOR)
cursor->ns.object = [NSCursor arrowCursor];
else if (shape == GLFW_IBEAM_CURSOR)
cursor->ns.object = [NSCursor IBeamCursor];
else if (shape == GLFW_CROSSHAIR_CURSOR)
cursor->ns.object = [NSCursor crosshairCursor];
else if (shape == GLFW_POINTING_HAND_CURSOR)
cursor->ns.object = [NSCursor pointingHandCursor];
else if (shape == GLFW_RESIZE_EW_CURSOR)
cursor->ns.object = [NSCursor resizeLeftRightCursor];
else if (shape == GLFW_RESIZE_NS_CURSOR)
cursor->ns.object = [NSCursor resizeUpDownCursor];
else if (shape == GLFW_RESIZE_ALL_CURSOR)
cursor->ns.object = [NSCursor closedHandCursor];
else if (shape == GLFW_NOT_ALLOWED_CURSOR)
cursor->ns.object = [NSCursor operationNotAllowedCursor];
}
if (!cursor->ns.object)
{
_glfwInputError(GLFW_CURSOR_UNAVAILABLE,
"Cocoa: Standard cursor shape unavailable");
return GLFW_FALSE;
}
src/init.c
+2
View File
@@ -189,6 +189,8 @@ void _glfwInputError(int code, const char* format, ...)
strcpy(description, "The requested format is unavailable");
else if (code == GLFW_NO_WINDOW_CONTEXT)
strcpy(description, "The specified window has no context");
else if (code == GLFW_CURSOR_UNAVAILABLE)
strcpy(description, "The specified cursor shape is unavailable");
else
strcpy(description, "ERROR: UNKNOWN GLFW ERROR");
}
src/input.c
+7 -3
View File
@@ -757,9 +757,13 @@ GLFWAPI GLFWcursor* glfwCreateStandardCursor(int shape)
if (shape != GLFW_ARROW_CURSOR &&
shape != GLFW_IBEAM_CURSOR &&
shape != GLFW_CROSSHAIR_CURSOR &&
shape != GLFW_HAND_CURSOR &&
shape != GLFW_HRESIZE_CURSOR &&
shape != GLFW_VRESIZE_CURSOR)
shape != GLFW_POINTING_HAND_CURSOR &&
shape != GLFW_RESIZE_EW_CURSOR &&
shape != GLFW_RESIZE_NS_CURSOR &&
shape != GLFW_RESIZE_NWSE_CURSOR &&
shape != GLFW_RESIZE_NESW_CURSOR &&
shape != GLFW_RESIZE_ALL_CURSOR &&
shape != GLFW_NOT_ALLOWED_CURSOR)
{
_glfwInputError(GLFW_INVALID_ENUM, "Invalid standard cursor 0x%08X", shape);
return NULL;
src/win32_window.c
+14 -3
View File
@@ -2068,14 +2068,25 @@ int _glfwPlatformCreateStandardCursor(_GLFWcursor* cursor, int shape)
id = OCR_IBEAM;
else if (shape == GLFW_CROSSHAIR_CURSOR)
id = OCR_CROSS;
else if (shape == GLFW_HAND_CURSOR)
else if (shape == GLFW_POINTING_HAND_CURSOR)
id = OCR_HAND;
else if (shape == GLFW_HRESIZE_CURSOR)
else if (shape == GLFW_RESIZE_EW_CURSOR)
id = OCR_SIZEWE;
else if (shape == GLFW_VRESIZE_CURSOR)
else if (shape == GLFW_RESIZE_NS_CURSOR)
id = OCR_SIZENS;
else if (shape == GLFW_RESIZE_NWSE_CURSOR)
id = OCR_SIZENWSE;
else if (shape == GLFW_RESIZE_NESW_CURSOR)
id = OCR_SIZENESW;
else if (shape == GLFW_RESIZE_ALL_CURSOR)
id = OCR_SIZEALL;
else if (shape == GLFW_NOT_ALLOWED_CURSOR)
id = OCR_NO;
else
{
_glfwInputError(GLFW_PLATFORM_ERROR, "Win32: Unknown standard cursor");
return GLFW_FALSE;
}
cursor->win32.handle = LoadImageW(NULL,
MAKEINTRESOURCEW(id), IMAGE_CURSOR, 0, 0,
src/wl_window.c
+68 -37
View File
@@ -770,28 +770,6 @@ static void handleEvents(int timeout)
}
}
// Translates a GLFW standard cursor to a theme cursor name
//
static char *translateCursorShape(int shape)
{
switch (shape)
{
case GLFW_ARROW_CURSOR:
return "left_ptr";
case GLFW_IBEAM_CURSOR:
return "xterm";
case GLFW_CROSSHAIR_CURSOR:
return "crosshair";
case GLFW_HAND_CURSOR:
return "hand2";
case GLFW_HRESIZE_CURSOR:
return "sb_h_double_arrow";
case GLFW_VRESIZE_CURSOR:
return "sb_v_double_arrow";
}
return NULL;
}
//////////////////////////////////////////////////////////////////////////
////// GLFW platform API //////
//////////////////////////////////////////////////////////////////////////
@@ -1233,26 +1211,79 @@ int _glfwPlatformCreateCursor(_GLFWcursor* cursor,
int _glfwPlatformCreateStandardCursor(_GLFWcursor* cursor, int shape)
{
struct wl_cursor* standardCursor;
const char* name = NULL;
standardCursor = wl_cursor_theme_get_cursor(_glfw.wl.cursorTheme,
translateCursorShape(shape));
if (!standardCursor)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Wayland: Standard cursor \"%s\" not found",
translateCursorShape(shape));
return GLFW_FALSE;
}
// Try the XDG names first
if (shape == GLFW_ARROW_CURSOR)
name = "default";
else if (shape == GLFW_IBEAM_CURSOR)
name = "text";
else if (shape == GLFW_CROSSHAIR_CURSOR)
name = "crosshair";
else if (shape == GLFW_POINTING_HAND_CURSOR)
name = "pointer";
else if (shape == GLFW_RESIZE_EW_CURSOR)
name = "ew-resize";
else if (shape == GLFW_RESIZE_NS_CURSOR)
name = "ns-resize";
else if (shape == GLFW_RESIZE_NWSE_CURSOR)
name = "nwse-resize";
else if (shape == GLFW_RESIZE_NESW_CURSOR)
name = "nesw-resize";
else if (shape == GLFW_RESIZE_ALL_CURSOR)
name = "all-scroll";
else if (shape == GLFW_NOT_ALLOWED_CURSOR)
name = "not-allowed";
cursor->wl.cursor = standardCursor;
cursor->wl.currentImage = 0;
cursor->wl.cursor = wl_cursor_theme_get_cursor(_glfw.wl.cursorTheme, name);
if (_glfw.wl.cursorThemeHiDPI)
{
standardCursor = wl_cursor_theme_get_cursor(_glfw.wl.cursorThemeHiDPI,
translateCursorShape(shape));
cursor->wl.cursorHiDPI = standardCursor;
cursor->wl.cursorHiDPI =
wl_cursor_theme_get_cursor(_glfw.wl.cursorThemeHiDPI, name);
}
if (!cursor->wl.cursor)
{
// Fall back to the core X11 names
if (shape == GLFW_ARROW_CURSOR)
name = "left_ptr";
else if (shape == GLFW_IBEAM_CURSOR)
name = "xterm";
else if (shape == GLFW_CROSSHAIR_CURSOR)
name = "crosshair";
else if (shape == GLFW_POINTING_HAND_CURSOR)
name = "hand2";
else if (shape == GLFW_RESIZE_EW_CURSOR)
name = "sb_h_double_arrow";
else if (shape == GLFW_RESIZE_NS_CURSOR)
name = "sb_v_double_arrow";
else if (shape == GLFW_RESIZE_ALL_CURSOR)
name = "fleur";
else
{
_glfwInputError(GLFW_CURSOR_UNAVAILABLE,
"Wayland: Standard cursor shape unavailable");
return GLFW_FALSE;
}
cursor->wl.cursor = wl_cursor_theme_get_cursor(_glfw.wl.cursorTheme, name);
if (!cursor->wl.cursor)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Wayland: Failed to create standard cursor \"%s\"",
name);
return GLFW_FALSE;
}
if (_glfw.wl.cursorThemeHiDPI)
{
if (!cursor->wl.cursorHiDPI)
{
cursor->wl.cursorHiDPI =
wl_cursor_theme_get_cursor(_glfw.wl.cursorThemeHiDPI, name);
}
}
}
return GLFW_TRUE;
src/x11_init.c
+6
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@@ -615,6 +615,12 @@ static GLFWbool initExtensions(void)
_glfw_dlsym(_glfw.x11.xcursor.handle, "XcursorImageDestroy");
_glfw.x11.xcursor.ImageLoadCursor = (PFN_XcursorImageLoadCursor)
_glfw_dlsym(_glfw.x11.xcursor.handle, "XcursorImageLoadCursor");
_glfw.x11.xcursor.GetTheme = (PFN_XcursorGetTheme)
_glfw_dlsym(_glfw.x11.xcursor.handle, "XcursorGetTheme");
_glfw.x11.xcursor.GetDefaultSize = (PFN_XcursorGetDefaultSize)
_glfw_dlsym(_glfw.x11.xcursor.handle, "XcursorGetDefaultSize");
_glfw.x11.xcursor.LibraryLoadImage = (PFN_XcursorLibraryLoadImage)
_glfw_dlsym(_glfw.x11.xcursor.handle, "XcursorLibraryLoadImage");
}
#if defined(__CYGWIN__)
src/x11_platform.h
+9
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@@ -85,9 +85,15 @@ typedef int (* PFN_XRRUpdateConfiguration)(XEvent*);
typedef XcursorImage* (* PFN_XcursorImageCreate)(int,int);
typedef void (* PFN_XcursorImageDestroy)(XcursorImage*);
typedef Cursor (* PFN_XcursorImageLoadCursor)(Display*,const XcursorImage*);
typedef char* (* PFN_XcursorGetTheme)(Display*);
typedef int (* PFN_XcursorGetDefaultSize)(Display*);
typedef XcursorImage* (* PFN_XcursorLibraryLoadImage)(const char*,const char*,int);
#define XcursorImageCreate _glfw.x11.xcursor.ImageCreate
#define XcursorImageDestroy _glfw.x11.xcursor.ImageDestroy
#define XcursorImageLoadCursor _glfw.x11.xcursor.ImageLoadCursor
#define XcursorGetTheme _glfw.x11.xcursor.GetTheme
#define XcursorGetDefaultSize _glfw.x11.xcursor.GetDefaultSize
#define XcursorLibraryLoadImage _glfw.x11.xcursor.LibraryLoadImage
typedef Bool (* PFN_XineramaIsActive)(Display*);
typedef Bool (* PFN_XineramaQueryExtension)(Display*,int*,int*);
@@ -352,6 +358,9 @@ typedef struct _GLFWlibraryX11
PFN_XcursorImageCreate ImageCreate;
PFN_XcursorImageDestroy ImageDestroy;
PFN_XcursorImageLoadCursor ImageLoadCursor;
PFN_XcursorGetTheme GetTheme;
PFN_XcursorGetDefaultSize GetDefaultSize;
PFN_XcursorLibraryLoadImage LibraryLoadImage;
} xcursor;
struct {
src/x11_window.c
+66 -19
View File
@@ -2823,29 +2823,76 @@ int _glfwPlatformCreateCursor(_GLFWcursor* cursor,
int _glfwPlatformCreateStandardCursor(_GLFWcursor* cursor, int shape)
{
int native = 0;
if (_glfw.x11.xcursor.handle)
{
char* theme = XcursorGetTheme(_glfw.x11.display);
if (theme)
{
const int size = XcursorGetDefaultSize(_glfw.x11.display);
const char* name = NULL;
if (shape == GLFW_ARROW_CURSOR)
native = XC_left_ptr;
else if (shape == GLFW_IBEAM_CURSOR)
native = XC_xterm;
else if (shape == GLFW_CROSSHAIR_CURSOR)
native = XC_crosshair;
else if (shape == GLFW_HAND_CURSOR)
native = XC_hand2;
else if (shape == GLFW_HRESIZE_CURSOR)
native = XC_sb_h_double_arrow;
else if (shape == GLFW_VRESIZE_CURSOR)
native = XC_sb_v_double_arrow;
else
return GLFW_FALSE;
if (shape == GLFW_ARROW_CURSOR)
name = "default";
else if (shape == GLFW_IBEAM_CURSOR)
name = "text";
else if (shape == GLFW_CROSSHAIR_CURSOR)
name = "crosshair";
else if (shape == GLFW_POINTING_HAND_CURSOR)
name = "pointer";
else if (shape == GLFW_RESIZE_EW_CURSOR)
name = "ew-resize";
else if (shape == GLFW_RESIZE_NS_CURSOR)
name = "ns-resize";
else if (shape == GLFW_RESIZE_NWSE_CURSOR)
name = "nwse-resize";
else if (shape == GLFW_RESIZE_NESW_CURSOR)
name = "nesw-resize";
else if (shape == GLFW_RESIZE_ALL_CURSOR)
name = "all-scroll";
else if (shape == GLFW_NOT_ALLOWED_CURSOR)
name = "not-allowed";
XcursorImage* image = XcursorLibraryLoadImage(name, theme, size);
if (image)
{
cursor->x11.handle = XcursorImageLoadCursor(_glfw.x11.display, image);
XcursorImageDestroy(image);
}
}
}
cursor->x11.handle = XCreateFontCursor(_glfw.x11.display, native);
if (!cursor->x11.handle)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"X11: Failed to create standard cursor");
return GLFW_FALSE;
unsigned int native = 0;
if (shape == GLFW_ARROW_CURSOR)
native = XC_left_ptr;
else if (shape == GLFW_IBEAM_CURSOR)
native = XC_xterm;
else if (shape == GLFW_CROSSHAIR_CURSOR)
native = XC_crosshair;
else if (shape == GLFW_POINTING_HAND_CURSOR)
native = XC_hand2;
else if (shape == GLFW_RESIZE_EW_CURSOR)
native = XC_sb_h_double_arrow;
else if (shape == GLFW_RESIZE_NS_CURSOR)
native = XC_sb_v_double_arrow;
else if (shape == GLFW_RESIZE_ALL_CURSOR)
native = XC_fleur;
else
{
_glfwInputError(GLFW_CURSOR_UNAVAILABLE,
"X11: Standard cursor shape unavailable");
return GLFW_FALSE;
}
cursor->x11.handle = XCreateFontCursor(_glfw.x11.display, native);
if (!cursor->x11.handle)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"X11: Failed to create standard cursor");
return GLFW_FALSE;
}
}
return GLFW_TRUE;