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Add option to change how much spacebar scrolls #143

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Add option to change how much spacebar scrolls #143

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1 change: 1 addition & 0 deletions pages/background.js
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Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,7 @@ var defaultOptions = {
// Keyboard Settings
keyboardSupport : true, // option
arrowScroll : 50, // [px]
spaceScroll : 0.9, // decimal

// Other
touchpadSupport : true,
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6 changes: 6 additions & 0 deletions pages/options.html
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Expand Up @@ -242,6 +242,12 @@ <h2 style="margin-top:0;">Scroll Settings</h2>
<td class="default_value"><span style="color: #00CCFF; font-size: 12px;"> <i>Default value: 4</i></span></td>
<td class="note" title="it affects how long the decceleration part is">(<b>ratio </b>of "tail" to "acceleration")</td>
</tr>
<tr>
<td class="setting-name"><label for="spaceScroll" title="higher means more scrolling for each spacebar key press">Spacebar step size</label></td>
<td><input id="spaceScroll" type="text" size="1" maxlength="3"></td>
<td class="default_value"><span style="color: #00CCFF; font-size: 12px;"> <i>Default value: 0.9</i></span></td>
<td class="note" title="higher means more scrolling for each spacebar key press">(<b>how</b> much with spacebar)</td>
</tr>
<tr>
<td style="width:180px;"><label for="arrowScroll" title="higher means more scrolling for each arrow key press">Arrow key step size [px]</label></td>
<td><input id="arrowScroll" type="text" size="1" maxlength="3"> </td>
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1 change: 1 addition & 0 deletions pages/options.js
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Expand Up @@ -11,6 +11,7 @@ var optionsList = [
'animationTime',
'stepSize',
'arrowScroll',
'spaceScroll',
'middleMouse',
'accelerationMax',
'accelerationDelta',
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3 changes: 2 additions & 1 deletion src/sscr.js
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Expand Up @@ -28,6 +28,7 @@ var defaultOptions = {
// Keyboard Settings
keyboardSupport : true, // option
arrowScroll : 50, // [px]
spaceScroll : 0.9, // decimal

// Other
touchpadSupport : false,
Expand Down Expand Up @@ -427,7 +428,7 @@ function keydown(event) {
break;
case key.spacebar: // (+ shift)
shift = event.shiftKey ? 1 : -1;
y = -shift * clientHeight * 0.9;
y = -shift * clientHeight * options.spaceScroll;
break;
case key.pageup:
y = -clientHeight * 0.9;
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