+extern wxApp *wxTheApp ;
+
+// CS:TODO we still have a problem getting properly at the text events of a control because under Carbon
+// the MLTE engine registers itself for the key events thus the normal flow never occurs, the only measure for the
+// moment is to avoid setting the true focus on the control, the proper solution at the end would be to have
+// an alternate path for carbon key events that routes automatically into the same wx flow of events
+
+#include "MacTextEditor.h"
+
+/* part codes */
+
+/* kmUPTextPart is the part code we return to indicate the user has clicked
+ in the text area of our control */
+#define kmUPTextPart 1
+
+/* kmUPScrollPart is the part code we return to indicate the user has clicked
+ in the scroll bar part of the control. */
+#define kmUPScrollPart 2
+
+
+/* routines for using existing user pane controls.
+ These routines are useful for cases where you would like to use an
+ existing user pane control in, say, a dialog window as a scrolling
+ text edit field.*/
+
+/* mUPOpenControl initializes a user pane control so it will be drawn
+ and will behave as a scrolling text edit field inside of a window.
+ This routine performs all of the initialization steps necessary,
+ except it does not create the user pane control itself. theControl
+ should refer to a user pane control that you have either created
+ yourself or extracted from a dialog's control heirarchy using
+ the GetDialogItemAsControl routine. */
+OSStatus mUPOpenControl(ControlHandle theControl, bool multiline);
+
+/* Utility Routines */
+
+enum {
+ kShiftKeyCode = 56
+};
+
+/* kUserClickedToFocusPart is a part code we pass to the SetKeyboardFocus
+ routine. In our focus switching routine this part code is understood
+ as meaning 'the user has clicked in the control and we need to switch
+ the current focus to ourselves before we can continue'. */
+#define kUserClickedToFocusPart 100
+
+
+/* kmUPClickScrollDelayTicks is a time measurement in ticks used to
+ slow the speed of 'auto scrolling' inside of our clickloop routine.
+ This value prevents the text from wizzzzzing by while the mouse
+ is being held down inside of the text area. */
+#define kmUPClickScrollDelayTicks 3
+
+
+/* STPTextPaneVars is a structure used for storing the the mUP Control's
+ internal variables and state information. A handle to this record is
+ stored in the pane control's reference value field using the
+ SetControlReference routine. */
+
+typedef struct {
+ /* OS records referenced */
+ TXNObject fTXNRec; /* the txn record */
+ TXNFrameID fTXNFrame; /* the txn frame ID */
+ ControlHandle fUserPaneRec; /* handle to the user pane control */
+ WindowPtr fOwner; /* window containing control */
+ GrafPtr fDrawingEnvironment; /* grafport where control is drawn */
+ /* flags */
+ Boolean fInFocus; /* true while the focus rect is drawn around the control */
+ Boolean fIsActive; /* true while the control is drawn in the active state */
+ Boolean fTEActive; /* reflects the activation state of the text edit record */
+ Boolean fInDialogWindow; /* true if displayed in a dialog window */
+ /* calculated locations */
+ Rect fRTextArea; /* area where the text is drawn */
+ Rect fRFocusOutline; /* rectangle used to draw the focus box */
+ Rect fRTextOutline; /* rectangle used to draw the border */
+ RgnHandle fTextBackgroundRgn; /* background region for the text, erased before calling TEUpdate */
+ /* our focus advance override routine */
+ EventHandlerUPP handlerUPP;
+ EventHandlerRef handlerRef;
+ bool fMultiline ;
+} STPTextPaneVars;
+
+
+
+
+/* Univerals Procedure Pointer variables used by the
+ mUP Control. These variables are set up
+ the first time that mUPOpenControl is called. */
+ControlUserPaneDrawUPP gTPDrawProc = NULL;
+ControlUserPaneHitTestUPP gTPHitProc = NULL;
+ControlUserPaneTrackingUPP gTPTrackProc = NULL;
+ControlUserPaneIdleUPP gTPIdleProc = NULL;
+ControlUserPaneKeyDownUPP gTPKeyProc = NULL;
+ControlUserPaneActivateUPP gTPActivateProc = NULL;
+ControlUserPaneFocusUPP gTPFocusProc = NULL;
+
+/* TPActivatePaneText activates or deactivates the text edit record
+ according to the value of setActive. The primary purpose of this
+ routine is to ensure each call is only made once. */
+static void TPActivatePaneText(STPTextPaneVars **tpvars, Boolean setActive) {
+ STPTextPaneVars *varsp;
+ varsp = *tpvars;
+ if (varsp->fTEActive != setActive) {
+
+ varsp->fTEActive = setActive;
+
+ TXNActivate(varsp->fTXNRec, varsp->fTXNFrame, varsp->fTEActive);
+
+ if (varsp->fInFocus)
+ TXNFocus( varsp->fTXNRec, varsp->fTEActive);
+ }
+}
+
+
+/* TPFocusPaneText set the focus state for the text record. */
+static void TPFocusPaneText(STPTextPaneVars **tpvars, Boolean setFocus) {
+ STPTextPaneVars *varsp;
+ varsp = *tpvars;
+ if (varsp->fInFocus != setFocus) {
+ varsp->fInFocus = setFocus;
+ TXNFocus( varsp->fTXNRec, varsp->fInFocus);
+ }
+}
+
+
+/* TPPaneDrawProc is called to redraw the control and for update events
+ referring to the control. This routine erases the text area's background,
+ and redraws the text. This routine assumes the scroll bar has been
+ redrawn by a call to DrawControls. */
+static pascal void TPPaneDrawProc(ControlRef theControl, ControlPartCode thePart) {
+ STPTextPaneVars **tpvars, *varsp;
+ char state;
+ Rect bounds;
+ /* set up our globals */
+
+ tpvars = (STPTextPaneVars **) GetControlReference(theControl);
+ if (tpvars != NULL) {
+ state = HGetState((Handle) tpvars);
+ HLock((Handle) tpvars);
+ varsp = *tpvars;
+
+ /* save the drawing state */
+ SetPort((**tpvars).fDrawingEnvironment);
+ /* verify our boundary */
+ GetControlBounds(theControl, &bounds);
+ if ( ! EqualRect(&bounds, &varsp->fRFocusOutline) ) {
+ // scrollbar is on the border, we add one
+ Rect oldbounds = varsp->fRFocusOutline ;
+ InsetRect( &oldbounds , -1 , -1 ) ;
+
+ InvalWindowRect( GetControlOwner( theControl ) , &oldbounds ) ;
+ SetRect(&varsp->fRFocusOutline, bounds.left, bounds.top, bounds.right, bounds.bottom);
+ SetRect(&varsp->fRTextOutline, bounds.left, bounds.top, bounds.right, bounds.bottom);
+ SetRect(&varsp->fRTextArea, bounds.left + 2 , bounds.top + (varsp->fMultiline ? 0 : 2) ,
+ bounds.right - (varsp->fMultiline ? 0 : 2), bounds.bottom - (varsp->fMultiline ? 0 : 2));
+ RectRgn(varsp->fTextBackgroundRgn, &varsp->fRTextOutline);
+ TXNSetFrameBounds( varsp->fTXNRec, varsp->fRTextArea.top, varsp->fRTextArea.left,
+ varsp->fRTextArea.bottom, varsp->fRTextArea.right, varsp->fTXNFrame);
+ }
+
+ /* update the text region */
+ RGBColor white = { 65535 , 65535 , 65535 } ;
+ RGBBackColor( &white ) ;
+ EraseRgn(varsp->fTextBackgroundRgn);
+ TXNDraw(varsp->fTXNRec, NULL);
+ /* restore the drawing environment */
+ /* draw the text frame and focus frame (if necessary) */
+ DrawThemeEditTextFrame(&varsp->fRTextOutline, varsp->fIsActive ? kThemeStateActive: kThemeStateInactive);
+ if ((**tpvars).fIsActive && varsp->fInFocus) DrawThemeFocusRect(&varsp->fRFocusOutline, true);
+ /* release our globals */
+ HSetState((Handle) tpvars, state);
+ }
+}
+
+
+/* TPPaneHitTestProc is called when the control manager would
+ like to determine what part of the control the mouse resides over.
+ We also call this routine from our tracking proc to determine how
+ to handle mouse clicks. */
+static pascal ControlPartCode TPPaneHitTestProc(ControlHandle theControl, Point where) {
+ STPTextPaneVars **tpvars;
+ ControlPartCode result;
+ char state;
+ /* set up our locals and lock down our globals*/
+ result = 0;
+ tpvars = (STPTextPaneVars **) GetControlReference(theControl);
+ if (tpvars != NULL) {
+ state = HGetState((Handle) tpvars);
+ HLock((Handle) tpvars);
+ /* find the region where we clicked */
+ if (PtInRect(where, &(**tpvars).fRTextArea)) {
+ result = kmUPTextPart;
+ } else result = 0;
+ /* release oure globals */
+ HSetState((Handle) tpvars, state);
+ }
+ return result;
+}
+
+
+
+
+
+/* TPPaneTrackingProc is called when the mouse is being held down
+ over our control. This routine handles clicks in the text area
+ and in the scroll bar. */
+static pascal ControlPartCode TPPaneTrackingProc(ControlHandle theControl, Point startPt, ControlActionUPP actionProc) {
+ STPTextPaneVars **tpvars, *varsp;
+ char state;
+ ControlPartCode partCodeResult;
+ /* make sure we have some variables... */
+ partCodeResult = 0;
+ tpvars = (STPTextPaneVars **) GetControlReference(theControl);
+ if (tpvars != NULL) {
+ /* lock 'em down */
+ state = HGetState((Handle) tpvars);
+ HLock((Handle) tpvars);
+ varsp = *tpvars;
+ /* we don't do any of these functions unless we're in focus */
+ if ( ! varsp->fInFocus) {
+ WindowPtr owner;
+ owner = GetControlOwner(theControl);
+ ClearKeyboardFocus(owner);
+ SetKeyboardFocus(owner, theControl, kUserClickedToFocusPart);
+ }
+ /* find the location for the click */
+ switch (TPPaneHitTestProc(theControl, startPt)) {
+
+ /* handle clicks in the text part */
+ case kmUPTextPart:
+ { SetPort((**tpvars).fDrawingEnvironment);
+ TXNClick( varsp->fTXNRec, (const EventRecord*) wxTheApp->MacGetCurrentEvent());
+ }
+ break;
+
+ }
+
+ HSetState((Handle) tpvars, state);
+ }
+ return partCodeResult;
+}
+
+
+/* TPPaneIdleProc is our user pane idle routine. When our text field
+ is active and in focus, we use this routine to set the cursor. */
+static pascal void TPPaneIdleProc(ControlHandle theControl) {
+ STPTextPaneVars **tpvars, *varsp;
+ /* set up locals */
+ tpvars = (STPTextPaneVars **) GetControlReference(theControl);
+ if (tpvars != NULL) {
+ /* if we're not active, then we have nothing to say about the cursor */
+ if ((**tpvars).fIsActive) {
+ char state;
+ Rect bounds;
+ Point mousep;
+ /* lock down the globals */
+ state = HGetState((Handle) tpvars);
+ HLock((Handle) tpvars);
+ varsp = *tpvars;
+ /* get the current mouse coordinates (in our window) */
+ SetPortWindowPort(GetControlOwner(theControl));
+ GetMouse(&mousep);
+ /* there's a 'focus thing' and an 'unfocused thing' */
+ if (varsp->fInFocus) {
+ /* flash the cursor */
+ SetPort((**tpvars).fDrawingEnvironment);
+ TXNIdle(varsp->fTXNRec);
+ /* set the cursor */
+ if (PtInRect(mousep, &varsp->fRTextArea)) {
+ RgnHandle theRgn;
+ RectRgn((theRgn = NewRgn()), &varsp->fRTextArea);
+ TXNAdjustCursor(varsp->fTXNRec, theRgn);
+ DisposeRgn(theRgn);
+ } else SetThemeCursor(kThemeArrowCursor);
+ } else {
+ /* if it's in our bounds, set the cursor */
+ GetControlBounds(theControl, &bounds);
+ if (PtInRect(mousep, &bounds))
+ SetThemeCursor(kThemeArrowCursor);
+ }
+
+ HSetState((Handle) tpvars, state);
+ }
+ }
+}
+
+
+/* TPPaneKeyDownProc is called whenever a keydown event is directed
+ at our control. Here, we direct the keydown event to the text
+ edit record and redraw the scroll bar and text field as appropriate. */
+static pascal ControlPartCode TPPaneKeyDownProc(ControlHandle theControl,
+ SInt16 keyCode, SInt16 charCode, SInt16 modifiers) {
+ STPTextPaneVars **tpvars;
+ tpvars = (STPTextPaneVars **) GetControlReference(theControl);
+ if (tpvars != NULL) {
+ if ((**tpvars).fInFocus) {
+ /* turn autoscrolling on and send the key event to text edit */
+ SetPort((**tpvars).fDrawingEnvironment);
+ EventRecord ev ;
+ memset( &ev , 0 , sizeof( ev ) ) ;
+ ev.what = keyDown ;
+ ev.modifiers = modifiers ;
+ ev.message = (( keyCode & keyCodeMask ) << 8 ) + ( charCode & charCodeMask ) ;
+ TXNKeyDown( (**tpvars).fTXNRec, &ev);
+ }
+ }
+ return kControlEntireControl;
+}
+
+
+/* TPPaneActivateProc is called when the window containing
+ the user pane control receives activate events. Here, we redraw
+ the control and it's text as necessary for the activation state. */
+static pascal void TPPaneActivateProc(ControlHandle theControl, Boolean activating) {
+ Rect bounds;
+ STPTextPaneVars **tpvars, *varsp;
+ char state;
+ /* set up locals */
+ tpvars = (STPTextPaneVars **) GetControlReference(theControl);
+ if (tpvars != NULL) {
+ state = HGetState((Handle) tpvars);
+ HLock((Handle) tpvars);
+ varsp = *tpvars;
+ /* de/activate the text edit record */
+ SetPort((**tpvars).fDrawingEnvironment);
+ GetControlBounds(theControl, &bounds);
+ varsp->fIsActive = activating;
+ TPActivatePaneText(tpvars, varsp->fIsActive && varsp->fInFocus);
+ /* redraw the frame */
+ DrawThemeEditTextFrame(&varsp->fRTextOutline, varsp->fIsActive ? kThemeStateActive: kThemeStateInactive);
+ if (varsp->fInFocus) DrawThemeFocusRect(&varsp->fRFocusOutline, varsp->fIsActive);
+ HSetState((Handle) tpvars, state);
+ }
+}
+
+
+/* TPPaneFocusProc is called when every the focus changes to or
+ from our control. Herein, switch the focus appropriately
+ according to the parameters and redraw the control as
+ necessary. */
+static pascal ControlPartCode TPPaneFocusProc(ControlHandle theControl, ControlFocusPart action) {
+ ControlPartCode focusResult;
+ STPTextPaneVars **tpvars, *varsp;
+ char state;
+ /* set up locals */
+ focusResult = kControlFocusNoPart;
+ tpvars = (STPTextPaneVars **) GetControlReference(theControl);
+ if (tpvars != NULL) {
+ state = HGetState((Handle) tpvars);
+ HLock((Handle) tpvars);
+ varsp = *tpvars;
+ /* if kControlFocusPrevPart and kControlFocusNextPart are received when the user is
+ tabbing forwards (or shift tabbing backwards) through the items in the dialog,
+ and kControlFocusNextPart will be received. When the user clicks in our field
+ and it is not the current focus, then the constant kUserClickedToFocusPart will
+ be received. The constant kControlFocusNoPart will be received when our control
+ is the current focus and the user clicks in another control. In your focus routine,
+ you should respond to these codes as follows:
+
+ kControlFocusNoPart - turn off focus and return kControlFocusNoPart. redraw
+ the control and the focus rectangle as necessary.
+
+ kControlFocusPrevPart or kControlFocusNextPart - toggle focus on or off
+ depending on its current state. redraw the control and the focus rectangle
+ as appropriate for the new focus state. If the focus state is 'off', return the constant
+ kControlFocusNoPart, otherwise return a non-zero part code.
+ kUserClickedToFocusPart - is a constant defined for this example. You should
+ define your own value for handling click-to-focus type events. */
+ /* save the drawing state */
+ SetPort((**tpvars).fDrawingEnvironment);
+ /* calculate the next highlight state */
+ switch (action) {
+ default:
+ case kControlFocusNoPart:
+ TPFocusPaneText(tpvars, false);
+ focusResult = kControlFocusNoPart;
+ break;
+ case kUserClickedToFocusPart:
+ TPFocusPaneText(tpvars, true);
+ focusResult = 1;
+ break;
+ case kControlFocusPrevPart:
+ case kControlFocusNextPart:
+ TPFocusPaneText(tpvars, ( ! varsp->fInFocus));
+ focusResult = varsp->fInFocus ? 1 : kControlFocusNoPart;
+ break;
+ }
+ TPActivatePaneText(tpvars, varsp->fIsActive && varsp->fInFocus);
+ /* redraw the text fram and focus rectangle to indicate the
+ new focus state */
+ DrawThemeEditTextFrame(&varsp->fRTextOutline, varsp->fIsActive ? kThemeStateActive: kThemeStateInactive);
+ DrawThemeFocusRect(&varsp->fRFocusOutline, varsp->fIsActive && varsp->fInFocus);
+ /* done */
+ HSetState((Handle) tpvars, state);
+ }
+ return focusResult;
+}
+
+
+/* mUPOpenControl initializes a user pane control so it will be drawn
+ and will behave as a scrolling text edit field inside of a window.
+ This routine performs all of the initialization steps necessary,
+ except it does not create the user pane control itself. theControl
+ should refer to a user pane control that you have either created
+ yourself or extracted from a dialog's control heirarchy using
+ the GetDialogItemAsControl routine. */
+OSStatus mUPOpenControl(ControlHandle theControl, bool multiline)
+{
+ Rect bounds;
+ WindowRef theWindow;
+ STPTextPaneVars **tpvars, *varsp;
+ OSStatus err;
+ RGBColor rgbWhite = {0xFFFF, 0xFFFF, 0xFFFF};
+ TXNBackground tback;
+
+ /* set up our globals */
+ if (gTPDrawProc == NULL) gTPDrawProc = NewControlUserPaneDrawUPP(TPPaneDrawProc);
+ if (gTPHitProc == NULL) gTPHitProc = NewControlUserPaneHitTestUPP(TPPaneHitTestProc);
+ if (gTPTrackProc == NULL) gTPTrackProc = NewControlUserPaneTrackingUPP(TPPaneTrackingProc);
+ if (gTPIdleProc == NULL) gTPIdleProc = NewControlUserPaneIdleUPP(TPPaneIdleProc);
+ if (gTPKeyProc == NULL) gTPKeyProc = NewControlUserPaneKeyDownUPP(TPPaneKeyDownProc);
+ if (gTPActivateProc == NULL) gTPActivateProc = NewControlUserPaneActivateUPP(TPPaneActivateProc);
+ if (gTPFocusProc == NULL) gTPFocusProc = NewControlUserPaneFocusUPP(TPPaneFocusProc);
+
+ /* allocate our private storage */
+ tpvars = (STPTextPaneVars **) NewHandleClear(sizeof(STPTextPaneVars));
+ SetControlReference(theControl, (long) tpvars);
+ HLock((Handle) tpvars);
+ varsp = *tpvars;
+ /* set the initial settings for our private data */
+ varsp->fMultiline = multiline ;
+ varsp->fInFocus = false;
+ varsp->fIsActive = true;
+ varsp->fTEActive = true; // in order to get a deactivate
+ varsp->fUserPaneRec = theControl;
+ theWindow = varsp->fOwner = GetControlOwner(theControl);
+
+ varsp->fDrawingEnvironment = (GrafPtr) GetWindowPort(theWindow);
+
+ varsp->fInDialogWindow = ( GetWindowKind(varsp->fOwner) == kDialogWindowKind );
+ /* set up the user pane procedures */
+ SetControlData(theControl, kControlEntireControl, kControlUserPaneDrawProcTag, sizeof(gTPDrawProc), &gTPDrawProc);
+ SetControlData(theControl, kControlEntireControl, kControlUserPaneHitTestProcTag, sizeof(gTPHitProc), &gTPHitProc);
+ SetControlData(theControl, kControlEntireControl, kControlUserPaneTrackingProcTag, sizeof(gTPTrackProc), &gTPTrackProc);
+ SetControlData(theControl, kControlEntireControl, kControlUserPaneIdleProcTag, sizeof(gTPIdleProc), &gTPIdleProc);
+ SetControlData(theControl, kControlEntireControl, kControlUserPaneKeyDownProcTag, sizeof(gTPKeyProc), &gTPKeyProc);
+ SetControlData(theControl, kControlEntireControl, kControlUserPaneActivateProcTag, sizeof(gTPActivateProc), &gTPActivateProc);
+ SetControlData(theControl, kControlEntireControl, kControlUserPaneFocusProcTag, sizeof(gTPFocusProc), &gTPFocusProc);
+ /* calculate the rectangles used by the control */
+ GetControlBounds(theControl, &bounds);
+ SetRect(&varsp->fRFocusOutline, bounds.left, bounds.top, bounds.right, bounds.bottom);
+ SetRect(&varsp->fRTextOutline, bounds.left, bounds.top, bounds.right, bounds.bottom);
+ SetRect(&varsp->fRTextArea, bounds.left + 2 , bounds.top + (varsp->fMultiline ? 0 : 2) ,
+ bounds.right - (varsp->fMultiline ? 0 : 2), bounds.bottom - (varsp->fMultiline ? 0 : 2));
+ /* calculate the background region for the text. In this case, it's kindof
+ and irregular region because we're setting the scroll bar a little ways inside
+ of the text area. */
+ RectRgn((varsp->fTextBackgroundRgn = NewRgn()), &varsp->fRTextOutline);
+
+ /* set up the drawing environment */
+ SetPort(varsp->fDrawingEnvironment);
+
+ /* create the new edit field */
+ TXNNewObject(NULL, varsp->fOwner, &varsp->fRTextArea,
+ ( multiline ? kTXNWantVScrollBarMask : 0 ) |
+ kTXNDontDrawCaretWhenInactiveMask |
+ kTXNDontDrawSelectionWhenInactiveMask |
+ kTXNAlwaysWrapAtViewEdgeMask,
+ kTXNTextEditStyleFrameType,
+ kTXNTextensionFile,
+ kTXNSystemDefaultEncoding,
+ &varsp->fTXNRec, &varsp->fTXNFrame, (TXNObjectRefcon) tpvars);
+
+ Str255 fontName ;
+ SInt16 fontSize ;
+ Style fontStyle ;
+
+ GetThemeFont(kThemeSmallSystemFont , GetApplicationScript() , fontName , &fontSize , &fontStyle ) ;
+
+ TXNTypeAttributes typeAttr[] =
+ {
+ { kTXNQDFontNameAttribute , kTXNQDFontNameAttributeSize , { (void*) fontName } } ,
+ { kTXNQDFontSizeAttribute , kTXNFontSizeAttributeSize , { (void*) (fontSize << 16) } } ,
+ { kTXNQDFontStyleAttribute , kTXNQDFontStyleAttributeSize , { (void*) normal } } ,
+ } ;
+
+ OSStatus status = TXNSetTypeAttributes (varsp->fTXNRec, sizeof( typeAttr ) / sizeof(TXNTypeAttributes) , typeAttr,
+ kTXNStartOffset,
+ kTXNEndOffset);
+ /* set the field's background */
+ tback.bgType = kTXNBackgroundTypeRGB;
+ tback.bg.color = rgbWhite;
+ TXNSetBackground( varsp->fTXNRec, &tback);
+
+ /* unlock our storage */
+ HUnlock((Handle) tpvars);
+ /* perform final activations and setup for our text field. Here,
+ we assume that the window is going to be the 'active' window. */
+ TPActivatePaneText(tpvars, varsp->fIsActive && varsp->fInFocus);
+ /* all done */
+ return noErr;
+}
+
+
+
+
projects / wxWidgets.git / blobdiff