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path: root/examples/widgets/gestures/imagegestures/imagewidget.cpp
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* ImageGestures example: decide direction based on swipeAngleShawn Rutledge2025-08-011-6/+9
| | | | | | | | | | | | | | | | | | | | | | | swipeTriggered() often chose the wrong direction, because the logic was allowing either vertical or horizontal decisions to override each other: if you swipe to the right, but also a little upwards for example, "up" overrode "right" and you would go back instead of forward. It worked only if you made an effort to swipe both down and right to go forwards, and both up and left to go back. The docs are not wrong at least: horizontalDirection or verticalDirection is set to NoDirection only in the case that the angle doesn't have "a horizontal component" or "a vertical component", respectively (assuming that's even possible). So those enum properties are only useful if you want to detect swiping on only one axis. Instead, we now check which side of a 45 degree line the angle is on. Pick-to: 6.10 6.9 6.8 6.5 Task-number: QTBUG-37759 Task-number: QTBUG-46195 Change-Id: Ibd78071dc78ccaa13d63200e26a614b7017a9b1b Reviewed-by: Volker Hilsheimer <[email protected]>
* Update ImageGestures exampleDoris Verria2023-12-211-3/+13
| | | | | | | | | | | | | - Update screenshot - Provide some information text on the screen when no images are found - Add all supported image formats to the file filters - Minor fixes according to our coding conventions: eg. don't shadow variables Fixes: QTBUG-119979 Pick-to: 6.7 Change-Id: If41adf34f38bfa101f2c5433082828c1a10668b1 Reviewed-by: Volker Hilsheimer <[email protected]>
* Image Gestures Example: use QFileInfo for images file namesAssam Boudjelthia2023-08-311-7/+15
| | | | | | | | | | | | | | | | | | | The example keeps around image file names only and append them to the selected dir path, that works fine for file scheme files, but for Android with content scheme files, that doesn't work as good because usually the paths are returned by a provider and managing them manually like appending a file name to a directory (tree) path might not work. This patch retrieves QFileInfo objects and use the absolute file paths to open any image. Pick-to: 6.6 6.5 6.2 Fixes: QTBUG-116181 Change-Id: I9911a181d92ba0452500398cbe052b9583bd79a0 Reviewed-by: Friedemann Kleint <[email protected]> Reviewed-by: Shawn Rutledge <[email protected]>
* Use SPDX license identifiersLucie Gérard2022-05-161-49/+2
| | | | | | | | | | | | | Replace the current license disclaimer in files by a SPDX-License-Identifier. Files that have to be modified by hand are modified. License files are organized under LICENSES directory. Task-number: QTBUG-67283 Change-Id: Id880c92784c40f3bbde861c0d93f58151c18b9f1 Reviewed-by: Qt CI Bot <[email protected]> Reviewed-by: Lars Knoll <[email protected]> Reviewed-by: Jörg Bornemann <[email protected]>
* Use QList instead of QVector in examplesJarek Kobus2020-06-231-1/+1
| | | | | | Task-number: QTBUG-84469 Change-Id: Id14119168bb1bf11f99bda7ef6ee9cf51bcfab2e Reviewed-by: Sona Kurazyan <[email protected]>
* Cleanup QtWidgets examplesChristian Ehrlicher2019-10-111-16/+12
| | | | | | | | | | | Cleanup QtWidgets examples: - use nullptr (clang-tidy) - use member-initialization - adjust the style - fix includes Change-Id: Ic5448606aacc525ea60b615a69227017aa2b821a Reviewed-by: Paul Wicking <[email protected]>
* Cleanup Widgets examples - foreachChristian Ehrlicher2019-01-231-1/+1
| | | | | | | | | Cleanup the Widgets examples - replace foreach with range-based for loop in the remaining directories Change-Id: I321e6c0f414401a1ae4fb65762b97d894b725afa Reviewed-by: Paul Wicking <[email protected]> Reviewed-by: Luca Beldi <[email protected]>
* Merge remote-tracking branch 'origin/5.6' into 5.7Liang Qi2016-04-071-1/+0
|\ | | | | | | | | | | | | | | | | | | Conflicts: src/network/access/qftp.cpp src/widgets/itemviews/qheaderview.cpp src/widgets/itemviews/qlistview.cpp tests/auto/network/access/qftp/tst_qftp.cpp Change-Id: I9f928f25d45d8944dd60bb583f649fc1615bc5d9
| * Remove empty first lines of files.Friedemann Kleint2016-04-061-1/+0
| | | | | | | | | | | | | | They might upset licensing related tools. Change-Id: I858d21fc418ba16959c88847b559b11bea29ed6b Reviewed-by: Oswald Buddenhagen <[email protected]>
* | Unify license header usage.Jani Heikkinen2016-03-291-3/+13
|/ | | | | | | | | Update files using old header.LGPL3 to header.LGPL Update files using old FDL template to use new one Update files using old BSD template to use new one Change-Id: I36a78272516f9953d02956522f285b40adfc8915 Reviewed-by: Lars Knoll <[email protected]>
* Examples/Doc snippets: Fix single-character string literals.Friedemann Kleint2015-10-131-5/+5
| | | | | | | Use character literals where applicable. Change-Id: I79fa5018f05735201ae35ee94ba0d356fcad1056 Reviewed-by: Topi Reiniö <[email protected]>
* Clean up debug code and unused functions from imagegestures exampleJoni Poikelin2015-10-011-1/+0
| | | | | Change-Id: I0dbbb5c6f3227e8cfe3e0f6eb27b2bf16b5d222b Reviewed-by: Friedemann Kleint <[email protected]>
* Use QImageReader::setAutoTransform() in examples.Friedemann Kleint2015-07-131-0/+1
| | | | | | Change-Id: If80616d680f1aa6c9d5cd1a4080710e5ad67d603 Reviewed-by: Rainer Keller <[email protected]> Reviewed-by: Allan Sandfeld Jensen <[email protected]>
* doc: imagegestures example: document the pinch handlerShawn Rutledge2015-03-031-3/+10
| | | | | | | | | | | The swipe handler is simple, and also doesn't currently work on every platform. But the pinch handler is the one that needs explanation, because the difference between incremental and absolute values of the rotation and scale properties is tricky. Change-Id: Ie3c7f4941d4a17734c9a920a8dd978f86fb03c4b Reviewed-by: Friedemann Kleint <[email protected]> Reviewed-by: Topi Reiniö <[email protected]>
* imagegestures example: scaleFactor is relative; get values directlyShawn Rutledge2015-02-251-8/+4
| | | | | | | | | | | | | QPinchGesture::scaleFactor is relative to the previous zoom factor, so either we need to multiply the total zoom by scaleFactor, or set it based on totalScaleFactor, which is simpler. Pinch-zoom is now working in this example. There's also no reason to use getProperty() when the accessors are directly accessible in QPinchGesture. Task-number: QTBUG-6010 Change-Id: I150dc0b18b4b871a08ec55c0f77463509ab26afe Reviewed-by: Friedemann Kleint <[email protected]>
* Updated BSD licensed file headersJani Heikkinen2015-02-151-3/+3
| | | | | Change-Id: I6441ff931dbd33b698d762e6f6784898f3f60fe7 Reviewed-by: Oswald Buddenhagen <[email protected]>
* Update copyright headersJani Heikkinen2015-02-111-5/+5
| | | | | | | | | | | | | | | | | | Qt copyrights are now in The Qt Company, so we could update the source code headers accordingly. In the same go we should also fix the links to point to qt.io. Outdated header.LGPL removed (use header.LGPL21 instead) Old header.LGPL3 renamed to header.LGPL3-COMM to match actual licensing combination. New header.LGPL-COMM taken in the use file which were using old header.LGPL3 (src/plugins/platforms/android/extract.cpp) Added new header.LGPL3 containing Commercial + LGPLv3 + GPLv2 license combination Change-Id: I6f49b819a8a20cc4f88b794a8f6726d975e8ffbe Reviewed-by: Matti Paaso <[email protected]>
* Add debug output for QGestureEvent and QGesture classes.Friedemann Kleint2014-09-301-2/+2
| | | | | | | Task-number: QTBUG-15768 Task-number: QTBUG-40461 Change-Id: I3fe29f71ddf39c76efaca02d2b70494378d147dc Reviewed-by: Shawn Rutledge <[email protected]>
* Polish the image gestures example.Friedemann Kleint2014-03-281-19/+37
| | | | | | | | | | | | | | | | | | - Add a command line parser to properly evaluate help option and directory argument, add options to disable gestures. - Add logging category so that the user can actually see what is happening. - Scale large images. - Use qreal instead of float. - Minor polishing: set window title, position file dialog at pictures location. Task-number: QTBUG-37759 Task-number: QTBUG-37203 Change-Id: Ibaf54a13034b150386a8aee476f83a9eba298298 Reviewed-by: Indrajit Tapadar <[email protected]> Reviewed-by: Shawn Rutledge <[email protected]>
* Doc: corrected link/example errorsNico Vertriest2014-01-311-0/+267
Update pro files after move gestures folder Update snippet statements Corrected path in imagegestures.pro Task-number: QTBUG-34749 Change-Id: Icc19908914e36507e412ab63bf0cc2809aa48e17 Reviewed-by: Jerome Pasion <[email protected]>
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