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- XXXXSSSSeeeettttIIIInnnnppppuuuuttttFFFFooooccccuuuussss((((3333XXXX11111111))))XXXX VVVVeeeerrrrssssiiiioooonnnn 11111111 ((((RRRReeeelllleeeeaaaasssseeee 6666....3333))))XXXXSSSSeeeettttIIIInnnnppppuuuuttttFFFFooooccccuuuussss((((3333XXXX11111111))))
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- NNNNAAAAMMMMEEEE
- XSetInputFocus, XGetInputFocus - control input focus
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- SSSSYYYYNNNNTTTTAAAAXXXX
- XSetInputFocus(_d_i_s_p_l_a_y, _f_o_c_u_s, _r_e_v_e_r_t__t_o, _t_i_m_e)
- Display *_d_i_s_p_l_a_y;
- Window _f_o_c_u_s;
- int _r_e_v_e_r_t__t_o;
- Time _t_i_m_e;
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- XGetInputFocus(_d_i_s_p_l_a_y, _f_o_c_u_s__r_e_t_u_r_n, _r_e_v_e_r_t__t_o__r_e_t_u_r_n)
- Display *_d_i_s_p_l_a_y;
- Window *_f_o_c_u_s__r_e_t_u_r_n;
- int *_r_e_v_e_r_t__t_o__r_e_t_u_r_n;
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- AAAARRRRGGGGUUUUMMMMEEEENNNNTTTTSSSS
- _d_i_s_p_l_a_y Specifies the connection to the X server.
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- _f_o_c_u_s Specifies the window, _P_o_i_n_t_e_r_R_o_o_t, or _N_o_n_e.
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- _f_o_c_u_s__r_e_t_u_r_n
- Returns the focus window, _P_o_i_n_t_e_r_R_o_o_t, or _N_o_n_e.
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- _r_e_v_e_r_t__t_o Specifies where the input focus reverts to if the
- window becomes not viewable. You can pass
- _R_e_v_e_r_t_T_o_P_a_r_e_n_t, _R_e_v_e_r_t_T_o_P_o_i_n_t_e_r_R_o_o_t, or
- _R_e_v_e_r_t_T_o_N_o_n_e.
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- _r_e_v_e_r_t__t_o__r_e_t_u_r_n
- Returns the current focus state (_R_e_v_e_r_t_T_o_P_a_r_e_n_t,
- _R_e_v_e_r_t_T_o_P_o_i_n_t_e_r_R_o_o_t, or _R_e_v_e_r_t_T_o_N_o_n_e).
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- _t_i_m_e Specifies the time. You can pass either a
- timestamp or _C_u_r_r_e_n_t_T_i_m_e.
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- DDDDEEEESSSSCCCCRRRRIIIIPPPPTTTTIIIIOOOONNNN
- The _X_S_e_t_I_n_p_u_t_F_o_c_u_s function changes the input focus and the
- last-focus-change time. It has no effect if the specified
- time is earlier than the current last-focus-change time or
- is later than the current X server time. Otherwise, the
- last-focus-change time is set to the specified time
- (_C_u_r_r_e_n_t_T_i_m_e is replaced by the current X server time).
- _X_S_e_t_I_n_p_u_t_F_o_c_u_s causes the X server to generate _F_o_c_u_s_I_n and
- _F_o_c_u_s_O_u_t events.
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- Depending on the focus argument, the following occurs:
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- +o If focus is _N_o_n_e, all keyboard events are discarded
- until a new focus window is set, and the revert_to
- argument is ignored.
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- +o If focus is a window, it becomes the keyboard's focus
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- Page 1 (printed 4/30/98)
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- XXXXSSSSeeeettttIIIInnnnppppuuuuttttFFFFooooccccuuuussss((((3333XXXX11111111))))XXXX VVVVeeeerrrrssssiiiioooonnnn 11111111 ((((RRRReeeelllleeeeaaaasssseeee 6666....3333))))XXXXSSSSeeeettttIIIInnnnppppuuuuttttFFFFooooccccuuuussss((((3333XXXX11111111))))
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- window. If a generated keyboard event would normally
- be reported to this window or one of its inferiors, the
- event is reported as usual. Otherwise, the event is
- reported relative to the focus window.
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- +o If focus is _P_o_i_n_t_e_r_R_o_o_t, the focus window is
- dynamically taken to be the root window of whatever
- screen the pointer is on at each keyboard event. In
- this case, the revert_to argument is ignored.
-
- The specified focus window must be viewable at the time
- _X_S_e_t_I_n_p_u_t_F_o_c_u_s is called, or a _B_a_d_M_a_t_c_h error results. If
- the focus window later becomes not viewable, the X server
- evaluates the revert_to argument to determine the new focus
- window as follows:
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- +o If revert_to is _R_e_v_e_r_t_T_o_P_a_r_e_n_t, the focus reverts to
- the parent (or the closest viewable ancestor), and the
- new revert_to value is taken to be _R_e_v_e_r_t_T_o_N_o_n_e.
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- +o If revert_to is _R_e_v_e_r_t_T_o_P_o_i_n_t_e_r_R_o_o_t or _R_e_v_e_r_t_T_o_N_o_n_e,
- the focus reverts to _P_o_i_n_t_e_r_R_o_o_t or _N_o_n_e, respectively.
- When the focus reverts, the X server generates _F_o_c_u_s_I_n
- and _F_o_c_u_s_O_u_t events, but the last-focus-change time is
- not affected.
-
- _X_S_e_t_I_n_p_u_t_F_o_c_u_s can generate _B_a_d_M_a_t_c_h, _B_a_d_V_a_l_u_e, and
- _B_a_d_W_i_n_d_o_w errors.
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- The _X_G_e_t_I_n_p_u_t_F_o_c_u_s function returns the focus window and the
- current focus state.
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- DDDDIIIIAAAAGGGGNNNNOOOOSSSSTTTTIIIICCCCSSSS
- _B_a_d_V_a_l_u_e Some numeric value falls outside the range of
- values accepted by the request. Unless a specific
- range is specified for an argument, the full range
- defined by the argument's type is accepted. Any
- argument defined as a set of alternatives can
- generate this error.
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- _B_a_d_W_i_n_d_o_w A value for a Window argument does not name a
- defined Window.
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- SSSSEEEEEEEE AAAALLLLSSSSOOOO
- XWarpPointer(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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- Page 2 (printed 4/30/98)
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