In the fine gap between events and thoughts...
shines the eternal truth
| Actions and Events |
|---|
Events are not exactly an API.
However the functioning of the OS and applications depends on handling such events.
They define the interfaces for the callbacks between the OS and Application or window.
Events in Solar OS are named "actions" hence the "ACT_" prefix
| Events | Description |
|---|---|
| ACT_PAINT_CHILD |
This message is send by OS
to request a child window to redraw its contents
Is sent every OS frame and can be used to do background operations but only if the window is not minimized. |
| ACT_LEFT_DOWN_CHILD |
Mouse left button down inside control |
| ACT_LEFT_UP_CHILD |
Mouse left button up inside control.
User button actions should be executed here. |
| ACT_LEFT_DRAG_CHILD | Mouse left button drag in control. |
| ACT_KEY_CHILD | A key press in a focused control |
| ACT_CLOSE_CHILD |
The window is about to be killed.
User code should dealocate memory here. |
| ACT_NOTIFY_FRAME |
This event is send by the OS
to windows that have a NOTIFY callback.
Used to perform background tasks. |
| ACT_LIST_SEL_ITEM | A item was selected in a control. |
| ACT_RIGHT_DOWN | Mouse right button down inside a window |
| ACT_RIGHT_UP | Mouse right button up inside a window |
| ACT_RIGHT_DRAG | Mouse right button drag inside a window |
| ACT_SCROLL_DOWN | Scroll down occured in a scroll bar |
| ACT_SCROLL_UP | Scroll up occured in a scroll bar |
| ACT_SCROLL_LEFT | Scroll left occured in a scroll bar |
| ACT_SCROLL_RIGHT | Scroll right occured in a scroll bar |
| ACT_SCROLL_TRACK | Scroll thumb track position in a scroll bar |