Mercurial > dwindows
comparison android/dw.cpp @ 2686:95f61d3f3d0d
Android: Initial attempt at implmenting dw_window_get_preferred_size().
This function missing was causing layout issues in code using this function.
The SeekBar (slider/scrollbar/etc) code seems to be backwards but it works this way.
| author | bsmith@81767d24-ef19-dc11-ae90-00e081727c95 |
|---|---|
| date | Wed, 27 Oct 2021 22:00:31 +0000 |
| parents | a7868380098f |
| children | 42ff9d95e87b |
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| 2685:17c34bdaec6c | 2686:95f61d3f3d0d |
|---|---|
| 5791 * width: Width in pixels of the item or nullptr if not needed. | 5791 * width: Width in pixels of the item or nullptr if not needed. |
| 5792 * height: Height in pixels of the item or nullptr if not needed. | 5792 * height: Height in pixels of the item or nullptr if not needed. |
| 5793 */ | 5793 */ |
| 5794 void API dw_window_get_preferred_size(HWND handle, int *width, int *height) | 5794 void API dw_window_get_preferred_size(HWND handle, int *width, int *height) |
| 5795 { | 5795 { |
| 5796 if(width || height) | |
| 5797 { | |
| 5798 JNIEnv *env; | |
| 5799 | |
| 5800 if(handle && (env = (JNIEnv *)pthread_getspecific(_dw_env_key))) | |
| 5801 { | |
| 5802 // First get the class that contains the method you need to call | |
| 5803 jclass clazz = _dw_find_class(env, DW_CLASS_NAME); | |
| 5804 // Get the method that you want to call | |
| 5805 jmethodID windowGetPreferredSize = env->GetMethodID(clazz, "windowGetPreferredSize", | |
| 5806 "(Landroid/view/View;)J"); | |
| 5807 // Call the method on the object | |
| 5808 jlong dimensions = env->CallLongMethod(_dw_obj, windowGetPreferredSize, handle); | |
| 5809 if(_dw_jni_check_exception(env)) | |
| 5810 dimensions = 0; | |
| 5811 if(width) | |
| 5812 *width = (int)((dimensions >> 32) & 0xFFFF); | |
| 5813 if(height) | |
| 5814 *height = (int)(dimensions & 0xFFFF); | |
| 5815 } | |
| 5816 else | |
| 5817 { | |
| 5818 if(width) | |
| 5819 *width = 0; | |
| 5820 if(height) | |
| 5821 *height = 0; | |
| 5822 } | |
| 5823 } | |
| 5796 } | 5824 } |
| 5797 | 5825 |
| 5798 /* | 5826 /* |
| 5799 * Sets the gravity of a given window (widget). | 5827 * Sets the gravity of a given window (widget). |
| 5800 * Gravity controls which corner of the screen and window the position is relative to. | 5828 * Gravity controls which corner of the screen and window the position is relative to. |