下面是当光标进入eventbox后改变其形状的例子：
gtk_widget_realize(eventbox);
gdk_window_set_cursor(eventbox ->window, gdk_cursor_new(GDK_HAND1)); enum GdkCursorType
typedef enum
{
GDK_X_CURSOR          = 0,
GDK_ARROW          = 2,
GDK_BASED_ARROW_DOWN    = 4,
GDK_BASED_ARROW_UP      = 6,
GDK_BOAT          = 8,
GDK_BOGOSITY          = 10,
GDK_BOTTOM_LEFT_CORNER  = 12,
GDK_BOTTOM_RIGHT_CORNER = 14,
GDK_BOTTOM_SIDE      = 16,
GDK_BOTTOM_TEE      = 18,
GDK_BOX_SPIRAL      = 20,
GDK_CENTER_PTR      = 22,
GDK_CIRCLE          = 24,
GDK_CLOCK          = 26,
GDK_COFFEE_MUG      = 28,
GDK_CROSS          = 30,
GDK_CROSS_REVERSE      = 32,
GDK_CROSSHAIR      = 34,
GDK_DIAMOND_CROSS      = 36,
GDK_DOT          = 38,
GDK_DOTBOX          = 40,
GDK_DOUBLE_ARROW      = 42,
GDK_DRAFT_LARGE      = 44,
GDK_DRAFT_SMALL      = 46,
GDK_DRAPED_BOX      = 48,
GDK_EXCHANGE          = 50,
GDK_FLEUR          = 52,
GDK_GOBBLER          = 54,
GDK_GUMBY          = 56,
GDK_HAND1          = 58,
GDK_HAND2          = 60,
GDK_HEART          = 62,
GDK_ICON          = 64,
GDK_IRON_CROSS      = 66,
GDK_LEFT_PTR          = 68,
GDK_LEFT_SIDE      = 70,
GDK_LEFT_TEE          = 72,
GDK_LEFTBUTTON      = 74,
GDK_LL_ANGLE          = 76,
GDK_LR_ANGLE            = 78,
GDK_MAN          = 80,
GDK_MIDDLEBUTTON      = 82,
GDK_MOUSE          = 84,
GDK_PENCIL          = 86,
GDK_PIRATE          = 88,
GDK_PLUS          = 90,
GDK_QUESTION_ARROW      = 92,  GDK_RIGHT_PTR      = 94,
GDK_RIGHT_SIDE      = 96,
GDK_RIGHT_TEE      = 98,
GDK_RIGHTBUTTON      = 100,
GDK_RTL_LOGO          = 102,
GDK_SAILBOAT          = 104,
GDK_SB_DOWN_ARROW      = 106,  GDK_SB_H_DOUBLE_ARROW  = 108,  GDK_SB_LEFT_ARROW      = 110,  GDK_SB_RIGHT_ARROW      = 112,  GDK_SB_UP_ARROW      = 114,
GDK_SB_V_DOUBLE_ARROW  = 116,  GDK_SHUTTLE          = 118,
GDK_SIZING          = 120,
GDK_SPIDER          = 122,
GDK_SPRAYCAN          = 124,
GDK_STAR          = 126,
GDK_TARGET          = 128,
GDK_TCROSS          = 130,
GDK_TOP_LEFT_ARROW      = 132,  GDK_TOP_LEFT_CORNER      = 134,
GDK_TOP_RIGHT_CORNER      = 136,  GDK_TOP_SIDE          = 138,
GDK_TOP_TEE          = 140,
GDK_TREK          = 142,
GDK_UL_ANGLE          = 144,
GDK_UMBRELLA          = 146,
GDK_UR_ANGLE          = 148,
GDK_WATCH          = 150,
GDK_XTERM          = 152,
GDK_LAST_CURSOR,
GDK_CURSOR_IS_PIXMAP    = -1
} GdkCursorType;
The standard cursors available.
GDK_X_CURSOR
GDK_ARROW
GDK_BASED_ARROW_DOWN
GDK_BASED_ARROW_UP
GDK_BOAT
GDK_BOGOSITY
GDK_BOTTOM_LEFT_CORNER
GDK_BOTTOM_RIGHT_CORNER
GDK_BOTTOM_SIDE
GDK_BOTTOM_TEE
GDK_BOX_SPIRAL
GDK_CENTER_PTR
GDK_CIRCLE
GDK_CLOCK
GDK_COFFEE_MUG
GDK_CROSS
GDK_CROSS_REVERSE
GDK_CROSSHAIR
GDK_DIAMOND_CROSS
GDK_DOT
GDK_DOTBOX
GDK_DOUBLE_ARROW
GDK_DRAFT_LARGE
GDK_DRAFT_SMALL
GDK_DRAPED_BOX
GDK_EXCHANGE
GDK_FLEUR
GDK_GOBBLER
GDK_GUMBY
GDK_HAND1
GDK_HAND2
改变button按钮的形状
GDK_HEART
GDK_ICON
GDK_IRON_CROSS
GDK_LEFT_PTR
GDK_LEFT_SIDE
GDK_LEFT_TEE
GDK_LEFTBUTTON
GDK_LL_ANGLE
GDK_LR_ANGLE
GDK_MAN
GDK_MIDDLEBUTTON
GDK_MOUSE
GDK_PENCIL
GDK_PIRATE
GDK_PLUS
GDK_QUESTION_ARROW
GDK_RIGHT_PTR
GDK_RIGHT_SIDE
GDK_RIGHT_TEE
GDK_RIGHTBUTTON
GDK_RTL_LOGO
GDK_SAILBOAT
GDK_SB_DOWN_ARROW
GDK_SB_H_DOUBLE_ARROW
GDK_SB_LEFT_ARROW
GDK_SB_RIGHT_ARROW
GDK_SB_UP_ARROW
GDK_SB_V_DOUBLE_ARROW
GDK_SHUTTLE
GDK_SIZING
GDK_SPIDER
GDK_SPRAYCAN
GDK_STAR
GDK_TARGET
GDK_TCROSS
GDK_TOP_LEFT_ARROW
GDK_TOP_LEFT_CORNER
GDK_TOP_RIGHT_CORNER
GDK_TOP_SIDE
GDK_TOP_TEE
GDK_TREK
GDK_UL_ANGLE
GDK_UMBRELLA
GDK_UR_ANGLE
GDK_WATCH
GDK_XTERM
GDK_LAST_CURSOR last cursor type
GDK_CURSOR_IS_PIXMAP type of cursors constructed
with gdk_cursor_new_from_pixmap() or gdk_cursor_n

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