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- XExposeEvent(3X11) XLIB FUNCTIONS XExposeEvent(3X11)
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- NNAAMMEE
- XExposeEvent - Expose event structure
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- SSTTRRUUCCTTUURREESS
- The structure for _E_x_p_o_s_e events contains:
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- typedef struct {
- int type; /* Expose */
- unsigned long serial; /* # of last request processed by server */
- Bool send_event; /* true if this came from a SendEvent request */
- Display *display; /* Display the event was read from */
- Window window;
- int x, y;
- int width, height;
- int count; /* if nonzero, at least this many more */
- } XExposeEvent;
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- When you receive this event, the structure members are set
- as follows.
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- The type member is set to the event type constant name
- that uniquely identifies it. For example, when the X
- server reports a _G_r_a_p_h_i_c_s_E_x_p_o_s_e event to a client applica-
- tion, it sends an _X_G_r_a_p_h_i_c_s_E_x_p_o_s_e_E_v_e_n_t structure with the
- type member set to _G_r_a_p_h_i_c_s_E_x_p_o_s_e. The display member is
- set to a pointer to the display the event was read on.
- The send_event member is set to _T_r_u_e if the event came
- from a _S_e_n_d_E_v_e_n_t protocol request. The serial member is
- set from the serial number reported in the protocol but
- expanded from the 16-bit least-significant bits to a full
- 32-bit value. The window member is set to the window that
- is most useful to toolkit dispatchers.
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- The window member is set to the exposed (damaged) window.
- The x and y members are set to the coordinates relative to
- the window's origin and indicate the upper-left corner of
- the rectangle. The width and height members are set to
- the size (extent) of the rectangle. The count member is
- set to the number of _E_x_p_o_s_e events that are to follow. If
- count is zero, no more _E_x_p_o_s_e events follow for this win-
- dow. However, if count is nonzero, at least that number
- of _E_x_p_o_s_e events (and possibly more) follow for this win-
- dow. Simple applications that do not want to optimize
- redisplay by distinguishing between subareas of its window
- can just ignore all _E_x_p_o_s_e events with nonzero counts and
- perform full redisplays on events with zero counts.
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- SSEEEE AALLSSOO
- XAnyEvent(3X11), XButtonEvent(3X11), XCreateWindow-
- Event(3X11), XCirculateEvent(3X11), XCircu-
- lateRequestEvent(3X11), XColormapEvent(3X11), XConfig-
- ureEvent(3X11), XConfigureRequestEvent(3X11),
- XCrossingEvent(3X11), XDestroyWindowEvent(3X11), XEr-
- rorEvent(3X11), XFocusChangeEvent(3X11),
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- X Version 11 Release 6.1 1
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- XExposeEvent(3X11) XLIB FUNCTIONS XExposeEvent(3X11)
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- XGraphicsExposeEvent(3X11), XGravityEvent(3X11),
- XKeymapEvent(3X11), XMapEvent(3X11), XMapRe-
- questEvent(3X11), XPropertyEvent(3X11), XRepar-
- entEvent(3X11), XResizeRequestEvent(3X11), XSelection-
- ClearEvent(3X11), XSelectionEvent(3X11), XSelectionRe-
- questEvent(3X11), XUnmapEvent(3X11), XVisibili-
- tyEvent(3X11)
- _X_l_i_b _- _C _L_a_n_g_u_a_g_e _X _I_n_t_e_r_f_a_c_e
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- X Version 11 Release 6.1 2
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