Merge pull request #30 from guzba/master

mac buttons
treeform · Nov 1, 2021 · b67e807 · b67e807
2 parents 352e9a2 + 3ac1f9d
commit b67e807
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Showing 7 changed files with 459 additions and 123 deletions.
diff --git a/examples/callbacks.nim b/examples/callbacks.nim
@@ -1,6 +1,7 @@
 import opengl, os, windy
 
 let window = newWindow("Windy Callbacks", ivec2(1280, 800))
+window.runeInputEnabled = true
 
 window.makeContextCurrent()
 loadExtensions()

diff --git a/src/windy/internal.nim b/src/windy/internal.nim
@@ -1,11 +1,14 @@
 import common, vmath
 
+const
+  multiClickRadius = 4
+
 type
   State* = object
     title*: string
     closeRequested*, closed*: bool
     mousePos*: IVec2
-    buttonPressed*, buttonDown*, buttonReleased*, buttonToggle*: set[Button]
+    buttonDown*, buttonToggle*: set[Button]
     perFrame*: PerFrame
 
     doubleClickTime*: float64
@@ -21,3 +24,100 @@ type
     mousePrevPos*: IVec2
     mouseDelta*: IVec2
     scrollDelta*: Vec2
+    buttonPressed*, buttonReleased*: set[Button]
+
+var
+  initialized*: bool
+  platformDoubleClickInterval*: float64
+
+template handleButtonPressTemplate*() =
+  window.state.buttonDown.incl button
+  window.state.perFrame.buttonPressed.incl button
+  if button in window.state.buttonToggle:
+    window.state.buttonToggle.excl button
+  else:
+    window.state.buttonToggle.incl button
+  if window.onButtonPress != nil:
+    window.onButtonPress(button)
+
+  if button == MouseLeft:
+    let
+      clickTime = epochTime()
+      mousePos = window.state.mousePos
+      scaledMultiClickRadius = multiClickRadius * window.contentScale
+
+    let
+      doubleClickInterval = clickTime - window.state.doubleClickTime
+      doubleClickDistance =
+        (mousePos - window.state.multiClickPositions[0]).vec2.length
+    if doubleClickInterval <= platformDoubleClickInterval and
+      doubleClickDistance <= scaledMultiClickRadius:
+      window.handleButtonPress(DoubleClick)
+      window.state.doubleClickTime = 0
+    else:
+      window.state.doubleClickTime = clickTime
+
+    let
+      tripleClickIntervals = [
+        clickTime - window.state.tripleClickTimes[0],
+        clickTime - window.state.tripleClickTimes[1]
+      ]
+      tripleClickInterval = tripleClickIntervals[0] + tripleClickIntervals[1]
+      tripleClickDistance =
+        (mousePos - window.state.multiClickPositions[1]).vec2.length
+
+    if tripleClickInterval < 2 * platformDoubleClickInterval and
+      tripleClickDistance <= scaledMultiClickRadius:
+      window.handleButtonPress(TripleClick)
+      window.state.tripleClickTimes = [0.float64, 0]
+    else:
+      window.state.tripleClickTimes[1] = window.state.tripleClickTimes[0]
+      window.state.tripleClickTimes[0] = clickTime
+
+    let
+      quadrupleClickIntervals = [
+        clickTime - window.state.quadrupleClickTimes[0],
+        clickTime - window.state.quadrupleClickTimes[1],
+        clickTime - window.state.quadrupleClickTimes[2]
+      ]
+      quadrupleClickInterval =
+        quadrupleClickIntervals[0] +
+        quadrupleClickIntervals[1] +
+        quadrupleClickIntervals[2]
+      quadrupleClickDistance =
+        (mousePos - window.state.multiClickPositions[2]).vec2.length
+
+    if quadrupleClickInterval < 3 * platformDoubleClickInterval and
+      quadrupleClickDistance <= multiClickRadius:
+      window.handleButtonPress(QuadrupleClick)
+      window.state.quadrupleClickTimes = [0.float64, 0, 0]
+    else:
+      window.state.quadrupleClickTimes[2] = window.state.quadrupleClickTimes[1]
+      window.state.quadrupleClickTimes[1] = window.state.quadrupleClickTimes[0]
+      window.state.quadrupleClickTimes[0] = clickTime
+
+    window.state.multiClickPositions[2] = window.state.multiClickPositions[1]
+    window.state.multiClickPositions[1] = window.state.multiClickPositions[0]
+    window.state.multiClickPositions[0] = mousePos
+
+template handleButtonReleaseTemplate*() =
+  if button == MouseLeft:
+    if QuadrupleClick in window.state.buttonDown:
+      window.handleButtonRelease(QuadrupleClick)
+    if TripleClick in window.state.buttonDown:
+      window.handleButtonRelease(TripleClick)
+    if DoubleClick in window.state.buttonDown:
+      window.handleButtonRelease(DoubleClick)
+
+  window.state.buttonDown.excl button
+  window.state.perFrame.buttonReleased.incl button
+  if window.onButtonRelease != nil:
+    window.onButtonRelease(button)
+
+template handleRuneTemplate*() =
+  if not window.state.runeInputEnabled:
+    return
+  if rune.uint32 < 32 or (rune.uint32 > 126 and rune.uint32 < 160):
+    return
+  if window.onRune != nil:
+    window.onRune(rune)