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- XChangePointerControl(3X11)XLIB FUNCTIONXSChangePointerControl(3X11)
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- NNAAMMEE
- XChangePointerControl, XGetPointerControl - control
- pointer
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- SSYYNNTTAAXX
- XChangePointerControl(_d_i_s_p_l_a_y, _d_o___a_c_c_e_l, _d_o___t_h_r_e_s_h_o_l_d,
- _a_c_c_e_l___n_u_m_e_r_a_t_o_r,
- _a_c_c_e_l___d_e_n_o_m_i_n_a_t_o_r, _t_h_r_e_s_h_o_l_d)
- Display *_d_i_s_p_l_a_y;
- Bool _d_o___a_c_c_e_l, _d_o___t_h_r_e_s_h_o_l_d;
- int _a_c_c_e_l___n_u_m_e_r_a_t_o_r, _a_c_c_e_l___d_e_n_o_m_i_n_a_t_o_r;
- int _t_h_r_e_s_h_o_l_d;
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- XGetPointerControl(_d_i_s_p_l_a_y, _a_c_c_e_l___n_u_m_e_r_a_t_o_r___r_e_t_u_r_n,
- _a_c_c_e_l___d_e_n_o_m_i_n_a_t_o_r___r_e_t_u_r_n,
- _t_h_r_e_s_h_o_l_d___r_e_t_u_r_n)
- Display *_d_i_s_p_l_a_y;
- int *_a_c_c_e_l___n_u_m_e_r_a_t_o_r___r_e_t_u_r_n,
- *_a_c_c_e_l___d_e_n_o_m_i_n_a_t_o_r___r_e_t_u_r_n;
- int *_t_h_r_e_s_h_o_l_d___r_e_t_u_r_n;
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- AARRGGUUMMEENNTTSS
- _a_c_c_e_l___d_e_n_o_m_i_n_a_t_o_r
- Specifies the denominator for the acceleration
- multiplier.
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- _a_c_c_e_l___d_e_n_o_m_i_n_a_t_o_r___r_e_t_u_r_n
- Returns the denominator for the acceleration
- multiplier.
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- _a_c_c_e_l___n_u_m_e_r_a_t_o_r
- Specifies the numerator for the acceleration
- multiplier.
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- _a_c_c_e_l___n_u_m_e_r_a_t_o_r___r_e_t_u_r_n
- Returns the numerator for the acceleration mul-
- tiplier.
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- _d_i_s_p_l_a_y Specifies the connection to the X server.
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- _d_o___a_c_c_e_l Specifies a Boolean value that controls whether
- the values for the accel_numerator or
- accel_denominator are used.
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- _d_o___t_h_r_e_s_h_o_l_d
- Specifies a Boolean value that controls whether
- the value for the threshold is used.
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- _t_h_r_e_s_h_o_l_d Specifies the acceleration threshold.
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- _t_h_r_e_s_h_o_l_d___r_e_t_u_r_n
- Returns the acceleration threshold.
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- X Version 11 Release 6.1 1
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- XChangePointerControl(3X11)XLIB FUNCTIONXSChangePointerControl(3X11)
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- DDEESSCCRRIIPPTTIIOONN
- The _X_C_h_a_n_g_e_P_o_i_n_t_e_r_C_o_n_t_r_o_l function defines how the point-
- ing device moves. The acceleration, expressed as a frac-
- tion, is a multiplier for movement. For example, specify-
- ing 3/1 means the pointer moves three times as fast as
- normal. The fraction may be rounded arbitrarily by the X
- server. Acceleration only takes effect if the pointer
- moves more than threshold pixels at once and only applies
- to the amount beyond the value in the threshold argument.
- Setting a value to -1 restores the default. The values of
- the do_accel and do_threshold arguments must be _T_r_u_e for
- the pointer values to be set, or the parameters are
- unchanged. Negative values (other than -1) generate a
- _B_a_d_V_a_l_u_e error, as does a zero value for the
- accel_denominator argument.
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- _X_C_h_a_n_g_e_P_o_i_n_t_e_r_C_o_n_t_r_o_l can generate a _B_a_d_V_a_l_u_e error.
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- The _X_G_e_t_P_o_i_n_t_e_r_C_o_n_t_r_o_l function returns the pointer's cur-
- rent acceleration multiplier and acceleration threshold.
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- DDIIAAGGNNOOSSTTIICCSS
- _B_a_d_V_a_l_u_e Some numeric value falls outside the range of
- values accepted by the request. Unless a spe-
- cific 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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- SSEEEE AALLSSOO
- _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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