PetscDrawGetMouseButton#
Returns location of mouse and which button was pressed. Waits for button to be pressed.
Synopsis#
#include "petscdraw.h" 
PetscErrorCode PetscDrawGetMouseButton(PetscDraw draw, PetscDrawButton *button, PetscReal *x_user, PetscReal *y_user, PetscReal *x_phys, PetscReal *y_phys)
Collective
Input Parameter#
- draw - the window to be used 
Output Parameters#
- button - one of - PETSC_BUTTON_LEFT,- PETSC_BUTTON_CENTER,- PETSC_BUTTON_RIGHT,- PETSC_BUTTON_WHEEL_UP,- PETSC_BUTTON_WHEEL_DOWN
- x_user - horizontal user coordinate of location (user may pass in NULL). 
- y_user - vertical user coordinate of location (user may pass in NULL). 
- x_phys - horizontal window coordinate (user may pass in NULL). 
- y_phys - vertical window coordinate (user may pass in NULL). 
Note#
Only processor 0 actually waits for the button to be pressed.
See Also#
Level#
intermediate
Location#
Implementations#
PetscDrawGetMouseButton_Image() in src/sys/classes/draw/impls/image/drawimage.c
PetscDrawGetMouseButton_Win32() in src/sys/classes/draw/impls/win32/win32draw.c
PetscDrawGetMouseButton_X() in src/sys/classes/draw/impls/x/xops.c
Index of all Draw routines
Table of Contents for all manual pages
Index of all manual pages