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Resizers - part 1; Support of cursor types under Win32 platform

This commit is contained in:
Vadim Lopatin 2014-12-04 15:07:46 +03:00
parent 76d4f219fe
commit 521e17597b
6 changed files with 184 additions and 0 deletions
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3
examples/example1/src/main.d
View File

@ -397,6 +397,7 @@ extern (C) int UIAppMain(string[] args) {
buttons1.addChild(new Button("btn1", "Button 1"d));
buttons1.addChild(new Button("btn2", "Button 2"d));
buttons1.addChild(new Button("btn3", "Button 3"d));
buttons1.addChild(new ResizerWidget());
buttons1.addChild(new Button("btn4", "Button 4"d));
layout3.addChild(buttons1);
layout3.addChild(new VSpacer());
@ -404,6 +405,7 @@ extern (C) int UIAppMain(string[] args) {
WidgetGroup buttons2 = new HorizontalLayout();
buttons2.addChild(new CheckBox("btn1", "CheckBox 1"d));
buttons2.addChild(new CheckBox("btn2", "CheckBox 2"d));
buttons2.addChild(new ResizerWidget());
buttons2.addChild(new CheckBox("btn3", "CheckBox 3"d));
buttons2.addChild(new CheckBox("btn4", "CheckBox 4"d));
layout3.addChild(buttons2);
@ -452,6 +454,7 @@ extern (C) int UIAppMain(string[] args) {
buttons3.addChild(new TextWidget(null, "RadioButtons"d));
buttons3.addChild(new RadioButton("btn1", "RadioButton 1"d));
buttons3.addChild(new RadioButton("btn2", "RadioButton 2"d));
buttons3.addChild(new ResizerWidget());
buttons3.addChild(new RadioButton("btn3", "RadioButton 3"d));
buttons3.addChild(new RadioButton("btn4", "RadioButton 4"d));
hlayout2.addChild(buttons3);

22
res/theme_default.xml
View File

@ -186,5 +186,27 @@
align="Left|VCenter"
textFlags="Parent"
/>
<style id="RESIZER_VERTICAL"
layoutWidth="FILL_PARENT"
layoutHeight="WRAP_CONTENT"
minHeight="7"
maxHeight="7"
backgroundColor="#E0E0E0">
<state state_focused="true" backgroundColor="#40C0C000"/>
<state state_pressed="true" backgroundColor="#4080C000"/>
<state state_selected="true" backgroundColor="#00F8F9Fa"/>
<state state_hovered="true" backgroundColor="#C0FFFF00"/>
</style>
<style id="RESIZER_HORIZONTAL"
layoutWidth="FILL_PARENT"
layoutHeight="WRAP_CONTENT"
minWidth="7"
maxWidth="7"
backgroundColor="#E0E0E0">
<state state_focused="true" backgroundColor="#40C0C000"/>
<state state_pressed="true" backgroundColor="#4080C000"/>
<state state_selected="true" backgroundColor="#00F8F9Fa"/>
<state state_hovered="true" backgroundColor="#C0FFFF00"/>
</style>
</theme>

78
src/dlangui/platforms/windows/winapp.d
View File

@ -327,6 +327,75 @@ class Win32Window : Window {
HICON _icon;
uint _cursorType;
HANDLE[ushort] _cursorCache;
HANDLE loadCursor(ushort id) {
if (id in _cursorCache)
return _cursorCache[id];
HANDLE h = LoadCursor(null, MAKEINTRESOURCE(id));
_cursorCache[id] = h;
return h;
}
void onSetCursorType() {
HANDLE winCursor = null;
switch (_cursorType) {
case CursorType.None:
winCursor = null;
break;
case CursorType.Parent:
break;
case CursorType.Arrow:
winCursor = loadCursor(IDC_ARROW);
break;
case CursorType.IBeam:
winCursor = loadCursor(IDC_IBEAM);
break;
case CursorType.Wait:
winCursor = loadCursor(IDC_WAIT);
break;
case CursorType.Crosshair:
winCursor = loadCursor(IDC_CROSS);
break;
case CursorType.WaitArrow:
winCursor = loadCursor(IDC_APPSTARTING);
break;
case CursorType.SizeNWSE:
winCursor = loadCursor(IDC_SIZENWSE);
break;
case CursorType.SizeNESW:
winCursor = loadCursor(IDC_SIZENESW);
break;
case CursorType.SizeWE:
winCursor = loadCursor(IDC_SIZEWE);
break;
case CursorType.SizeNS:
winCursor = loadCursor(IDC_SIZENS);
break;
case CursorType.SizeAll:
winCursor = loadCursor(IDC_SIZEALL);
break;
case CursorType.No:
winCursor = loadCursor(IDC_NO);
break;
case CursorType.Hand:
winCursor = loadCursor(IDC_HAND);
break;
default:
break;
}
SetCursor(winCursor);
}
/// sets cursor type for window
override protected void setCursorType(uint cursorType) {
// override to support different mouse cursors
_cursorType = cursorType;
onSetCursorType();
}
/// sets window icon
@property override void windowIcon(DrawBufRef buf) {
if (_icon)
@ -867,6 +936,15 @@ LRESULT WndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
window.onPaint();
}
return 0; // processed
case WM_SETCURSOR:
{
if (window !is null) {
if (LOWORD(lParam) == HTCLIENT) {
window.onSetCursorType();
return 1;
}
}
}
case WM_MOUSELEAVE:
case WM_MOUSEMOVE:
case WM_LBUTTONDOWN:

76
src/dlangui/widgets/layouts.d
View File

@ -247,6 +247,82 @@ class LayoutItems {
}
}
class ResizerWidget : Widget {
protected Orientation _orientation;
protected Widget _previousWidget;
protected Widget _nextWidget;
protected string _styleVertical;
protected string _styleHorizontal;
this(string ID = null) {
super(ID);
_styleVertical = "RESIZER_VERTICAL";
_styleHorizontal = "RESIZER_HORIZONTAL";
trackHover = true;
}
@property bool validProps() {
return _previousWidget && _nextWidget;
}
/// returns mouse cursor type for widget
override uint getCursorType(int x, int y) {
if (_orientation == Orientation.Vertical) {
return CursorType.SizeNS;
} else {
return CursorType.SizeWE;
}
}
void updateProps() {
_previousWidget = null;
_nextWidget = null;
_orientation = Orientation.Vertical;
LinearLayout parentLayout = cast(LinearLayout)_parent;
if (parentLayout) {
_orientation = parentLayout.orientation;
int index = parentLayout.childIndex(this);
_previousWidget = parentLayout.child(index - 1);
_nextWidget = parentLayout.child(index + 1);
}
if (validProps) {
if (_orientation == Orientation.Vertical) {
styleId = _styleVertical;
} else {
styleId = _styleHorizontal;
}
} else {
_previousWidget = null;
_nextWidget = null;
}
}
/**
Measure widget according to desired width and height constraints. (Step 1 of two phase layout).
*/
override void measure(int parentWidth, int parentHeight) {
updateProps();
if (_orientation == Orientation.Vertical) {
}
measuredContent(parentWidth, parentHeight, 7, 7);
}
/// Set widget rectangle to specified value and layout widget contents. (Step 2 of two phase layout).
override void layout(Rect rc) {
updateProps();
if (visibility == Visibility.Gone) {
return;
}
_pos = rc;
_needLayout = false;
}
}
class LinearLayout : WidgetGroup {
protected Orientation _orientation = Orientation.Vertical;
/// returns linear layout orientation (Vertical, Horizontal)

4
src/dlangui/widgets/tree.d
View File

@ -649,8 +649,12 @@ class TreeWidgetBase : ScrollWidget, OnTreeContentChangeListener, OnTreeStateCh
_tree.selectNext();
break;
case TreeActions.PageUp:
// TODO: implement page up
_tree.selectPrevious();
break;
case TreeActions.PageDown:
// TODO: implement page down
_tree.selectPrevious();
break;
default:
return super.handleAction(a);

1
src/dlangui/widgets/widget.d
View File

@ -1073,6 +1073,7 @@ class Widget {
_pos = rc;
_needLayout = false;
}
/// Draw widget at its position to buffer
void onDraw(DrawBuf buf) {
if (visibility != Visibility.Visible)