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authorPietro Gagliardi <[email protected]>2014-08-30 23:01:08 -0400
committerPietro Gagliardi <[email protected]>2014-08-30 23:01:08 -0400
commit155899c65ed32245e2ccad4197a10c77017d835b (patch)
tree4c337130ff5d1640efc1e94258ab3b8a9eef0c55 /area_darwin.go
parent3d4e54822dc6117306d5a4ac0e79017c4810b657 (diff)
Out with the old...
Diffstat (limited to 'area_darwin.go')
-rw-r--r--area_darwin.go186
1 files changed, 0 insertions, 186 deletions
diff --git a/area_darwin.go b/area_darwin.go
deleted file mode 100644
index 7a4464b..0000000
--- a/area_darwin.go
+++ /dev/null
@@ -1,186 +0,0 @@
-// 29 march 2014
-
-package ui
-
-import (
- "image"
- "unsafe"
-)
-
-// #include <stdlib.h>
-//// #include <HIToolbox/Events.h>
-// #include "objc_darwin.h"
-import "C"
-
-func makeArea(parentWindow C.id, alternate bool, s *sysData) C.id {
- area := C.makeArea()
- area = makeScrollView(area)
- addControl(parentWindow, area)
- return area
-}
-
-func areaInScrollView(scrollview C.id) C.id {
- return getScrollViewContent(scrollview)
-}
-
-//export areaView_drawRect
-func areaView_drawRect(self C.id, rect C.struct_xrect) {
- s := getSysData(self)
- // no need to clear the clip rect; the NSScrollView does that for us (see the setDrawsBackground: call in objc_darwin.m)
- // rectangles in Cocoa are origin/size, not point0/point1; if we don't watch for this, weird things will happen when scrolling
- cliprect := image.Rect(int(rect.x), int(rect.y), int(rect.x+rect.width), int(rect.y+rect.height))
- max := C.frame(self)
- cliprect = image.Rect(0, 0, int(max.width), int(max.height)).Intersect(cliprect)
- if cliprect.Empty() { // no intersection; nothing to paint
- return
- }
- i := s.handler.Paint(cliprect)
- C.drawImage(
- unsafe.Pointer(pixelData(i)), C.intptr_t(i.Rect.Dx()), C.intptr_t(i.Rect.Dy()), C.intptr_t(i.Stride),
- C.intptr_t(cliprect.Min.X), C.intptr_t(cliprect.Min.Y))
-}
-
-func parseModifiers(e C.id) (m Modifiers) {
- const (
- _NSShiftKeyMask = 1 << 17
- _NSControlKeyMask = 1 << 18
- _NSAlternateKeyMask = 1 << 19
- _NSCommandKeyMask = 1 << 20
- )
-
- mods := uintptr(C.modifierFlags(e))
- if (mods & _NSControlKeyMask) != 0 {
- m |= Ctrl
- }
- if (mods & _NSAlternateKeyMask) != 0 {
- m |= Alt
- }
- if (mods & _NSShiftKeyMask) != 0 {
- m |= Shift
- }
- if (mods & _NSCommandKeyMask) != 0 {
- m |= Super
- }
- return m
-}
-
-func areaMouseEvent(self C.id, e C.id, click bool, up bool) {
- var me MouseEvent
-
- s := getSysData(self)
- xp := C.getTranslatedEventPoint(self, e)
- me.Pos = image.Pt(int(xp.x), int(xp.y))
- // for the most part, Cocoa won't geenerate an event outside the Area... except when dragging outside the Area, so check for this
- max := C.frame(self)
- if !me.Pos.In(image.Rect(0, 0, int(max.width), int(max.height))) {
- return
- }
- me.Modifiers = parseModifiers(e)
- which := uint(C.buttonNumber(e)) + 1
- if which == 3 { // swap middle and right button numbers
- which = 2
- } else if which == 2 {
- which = 3
- }
- if click && up {
- me.Up = which
- } else if click {
- me.Down = which
- // this already works the way we want it to so nothing special needed like with Windows and GTK+
- me.Count = uint(C.clickCount(e))
- } else {
- which = 0 // reset for Held processing below
- }
- // the docs do say don't use this for tracking (mouseMoved:) since it returns the state now, and mouse move events work by tracking, but as far as I can tell dragging the mouse over the inactive window does not generate an event on Mac OS X, so :/ (tracking doesn't touch dragging anyway except during mouseEntered: and mouseExited:, which we don't handle, and the only other tracking message, cursorChanged:, we also don't handle (yet...? need to figure out if this is how to set custom cursors or not), so)
- held := C.pressedMouseButtons()
- if which != 1 && (held&1) != 0 { // button 1
- me.Held = append(me.Held, 1)
- }
- if which != 2 && (held&4) != 0 { // button 2; mind the swap
- me.Held = append(me.Held, 2)
- }
- if which != 3 && (held&2) != 0 { // button 3
- me.Held = append(me.Held, 3)
- }
- held >>= 3
- for i := uint(4); held != 0; i++ {
- if which != i && (held&1) != 0 {
- me.Held = append(me.Held, i)
- }
- held >>= 1
- }
- repaint := s.handler.Mouse(me)
- if repaint {
- C.display(self)
- }
-}
-
-//export areaView_mouseMoved_mouseDragged
-func areaView_mouseMoved_mouseDragged(self C.id, e C.id) {
- // for moving, this is handled by the tracking rect stuff above
- // for dragging, if multiple buttons are held, only one of their xxxMouseDragged: messages will be sent, so this is OK to do
- areaMouseEvent(self, e, false, false)
-}
-
-//export areaView_mouseDown
-func areaView_mouseDown(self C.id, e C.id) {
- // no need to manually set focus; Mac OS X has already done that for us by this point since we set our view to be a first responder
- areaMouseEvent(self, e, true, false)
-}
-
-//export areaView_mouseUp
-func areaView_mouseUp(self C.id, e C.id) {
- areaMouseEvent(self, e, true, true)
-}
-
-func sendKeyEvent(self C.id, ke KeyEvent) {
- s := getSysData(self)
- repaint := s.handler.Key(ke)
- if repaint {
- C.display(self)
- }
-}
-
-func areaKeyEvent(self C.id, e C.id, up bool) {
- var ke KeyEvent
-
- keyCode := uintptr(C.keyCode(e))
- ke, ok := fromKeycode(keyCode)
- if !ok {
- // no such key; modifiers by themselves are handled by -[self flagsChanged:]
- return
- }
- // either ke.Key or ke.ExtKey will be set at this point
- ke.Modifiers = parseModifiers(e)
- ke.Up = up
- sendKeyEvent(self, ke)
-}
-
-//export areaView_keyDown
-func areaView_keyDown(self C.id, e C.id) {
- areaKeyEvent(self, e, false)
-}
-
-//export areaView_keyUp
-func areaView_keyUp(self C.id, e C.id) {
- areaKeyEvent(self, e, true)
-}
-
-//export areaView_flagsChanged
-func areaView_flagsChanged(self C.id, e C.id) {
- var ke KeyEvent
-
- // Mac OS X sends this event on both key up and key down.
- // Fortunately -[e keyCode] IS valid here, so we can simply map from key code to Modifiers, get the value of [e modifierFlags], and check if the respective bit is set or not — that will give us the up/down state
- keyCode := uintptr(C.keyCode(e))
- mod, ok := keycodeModifiers[keyCode] // comma-ok form to avoid adding entries
- if !ok { // unknown modifier; ignore
- return
- }
- ke.Modifiers = parseModifiers(e)
- ke.Up = (ke.Modifiers & mod) == 0
- ke.Modifier = mod
- // don't include the modifier in ke.Modifiers
- ke.Modifiers &^= mod
- sendKeyEvent(self, ke)
-}