autoresize

How to get tkinter canvas to dynamically resize to window width?

由 时间秒杀一切 提交于 2019-11-26 18:45:57
I need to get a canvas in tkinter to set its width to the width of the window, and then dynamically re-size the canvas when the user makes the window smaller/bigger. Is there any way of doing this (easily)? ebarr I thought I would add in some extra code to expand on @fredtantini's answer , as it doesn't deal with how to update the shape of widgets drawn on the Canvas . To do this you need to use the scale method and tag all of the widgets. A complete example is below. from Tkinter import * # a subclass of Canvas for dealing with resizing of windows class ResizingCanvas(Canvas): def __init__

PHP upload and resize image

由 久未见 提交于 2019-11-26 17:25:14
问题 I am working on a script that uploads a picture using PHP and I wanna make it resize the image to width 180 before saving it. I tried using the WideImage library and ->saveFileTO(...) but when I include the WideImage.php in the page, the page goes blank !! So here is my script if you can help me and tell me how to make it save the resized version 回答1: You can use the PHP GD library to resize an image on upload. The following code should give you an idea of how to implement the resize: // Get

Auto resizing the SELECT element according to selected OPTION's width

由 落爺英雄遲暮 提交于 2019-11-26 16:32:47
I've got this select element with different option in it. Normally the select element would get its width from the biggest option element, but I want the select element to have the default option value's width which is shorter. When the user selects another option , the select element should resize itself so the whole text is always visible in the element. $(document).ready(function() { $('select').change(function(){ $(this).width($('select option:selected').width()); }); }); Problem: On Chrome (Canary) it always gets a width returned of 0. On Firefox the width get's added and not resized when

iPhone UIWebView width does not fit after zooming operation + UIInterfaceOrientation change

由 扶醉桌前 提交于 2019-11-26 15:49:52
问题 I created a bare bones iPhone app with a UIWebView (Scales Page to Fit = YES, shouldAutorotateToInterfaceOrientation = YES) and loaded a webpage, e.g. https://stackoverflow.com/ Rotating the device shows that UIWebView is auto-resized to fit the width. Good. Incorrect : Zoom into the page and zoom out. Now rotating the device shows UIWebView in a weird width in one of the orientation (if u zoom in landscape, the portrait width is weird, vice versa). This behavior is fixed only when you

How to make a Qt Widget grow with the window size?

由 你离开我真会死。 提交于 2019-11-26 10:20:38
问题 I want to have a small QFormLayout that grows to fill its parent widget. I created a new .ui file using the QWidget template in Qt Designer. I put a QFormLayout inside that \'window\', then put some controls inside that QFormLayout . This all works reasonably well, but the QFormLayout always stays at the size I set in Qt Designer. I would like the QFormLayout to fill its parent widget and grow/shrink with it. How can I accomplish that? 回答1: In Designer, activate the centralWidget and assign a

Scale image to fit a bounding box

由 ≡放荡痞女 提交于 2019-11-26 08:45:16
问题 Is there a css-only solution to scale an image into a bounding box (keeping aspect-ratio)? This works if the image is bigger than the container: img { max-width: 100%; max-height: 100%; } Example: Use case 1 (works): http://jsfiddle.net/Jp5AQ/2/ Use case 2 (works): http://jsfiddle.net/Jp5AQ/3/ But I want to scale up the image until a dimension is 100% of the container. Use case 3 (doesn\'t work): http://jsfiddle.net/Jp5AQ/4/ 回答1: Note: Even though this is the accepted answer, the answer below

Android: why is there no maxHeight for a View?

由 不想你离开。 提交于 2019-11-26 08:01:00
问题 View\'s have a minHeight but somehow are lacking a maxHeight : What I\'m trying to achieve is having some items (views) filling up a ScrollView . When there are 1..3 items I want to display them directly. Meaning the ScrollView has the height of either 1, 2 or 3 items. When there are 4 or more items I want the ScrollView to stop expanding (thus a maxHeight ) and start providing scrolling. However, there is unfortunately no way to set a maxHeight . So I probably have to set my ScrollView

How to get StackPanel's children to fill maximum space downward?

由 不想你离开。 提交于 2019-11-26 06:54:17
问题 I simply want flowing text on the left, and a help box on the right. The help box should extend all the way to the bottom. If you take out the outer StackPanel below it works great. But for reasons of layout (I\'m inserting UserControls dynamically) I need to have the wrapping StackPanel. How do I get the GroupBox to extend down to the bottom of the StackPanel, as you can see I\'ve tried: VerticalAlignment=\"Stretch\" VerticalContentAlignment=\"Stretch\" Height=\"Auto\" XAML: <Window x:Class=

How to get tkinter canvas to dynamically resize to window width?

由 别等时光非礼了梦想. 提交于 2019-11-26 05:27:48
问题 I need to get a canvas in tkinter to set its width to the width of the window, and then dynamically re-size the canvas when the user makes the window smaller/bigger. Is there any way of doing this (easily)? 回答1: I thought I would add in some extra code to expand on @fredtantini's answer, as it doesn't deal with how to update the shape of widgets drawn on the Canvas . To do this you need to use the scale method and tag all of the widgets. A complete example is below. from Tkinter import * # a

Auto resizing the SELECT element according to selected OPTION&#39;s width

由 北慕城南 提交于 2019-11-26 04:49:18
问题 I\'ve got this select element with different option in it. Normally the select element would get its width from the biggest option element, but I want the select element to have the default option value\'s width which is shorter. When the user selects another option , the select element should resize itself so the whole text is always visible in the element. $(document).ready(function() { $(\'select\').change(function(){ $(this).width($(\'select option:selected\').width()); }); }); Problem:
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