tag:blogger.com,1999:blog-89266723535886807852011-07-31T00:56:13.584-07:00Nils Jeiseckehttp://www.blogger.com/profile/14166531278918620063noreply@blogger.comBlogger11100tag:blogger.com,1999:blog-8926672353588680785.post-50192978412813990472010-10-28T07:25:00.000-07:002010-10-28T07:33:52.006-07:00QDataWidgetMapper looks like a nice class to edit database records in a custom dialog. However I found it to have some rather annoying side effects:<br /><ul><li>it eats the Esc key (by reverting the editor values) so you cannot close the dialog with Esc any longer</li><li>If the submit policy is <span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px;font-family:Arial;font-size:100%;" ><span class="Apple-style-span" style="color: rgb(54, 53, 52); line-height: 20px; word-spacing: 5px;font-family:monospace;" >AutoSubmit</span></span>, the cursor in any QLineEdit that is connected to the mapper will not keep its position when switching to another application and back.<span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px;font-family:Arial;font-size:medium;" ><span class="Apple-style-span" style="color: rgb(54, 53, 52); line-height: 20px; word-spacing: 5px;font-size:13px;" ><span style="font-family:times new roman;"></span></span></span></li></ul>Issue #1 can be solved with an eventFilter.<br />Issue #2 can be solved by using <span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px;font-family:Arial;font-size:100%;" ><span class="Apple-style-span" style="color: rgb(54, 53, 52); line-height: 13px; word-spacing: 5px;font-family:monospace;" >ManualSubmit</span></span> and something like this:<span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px;font-family:Arial;font-size:medium;" ><span class="Apple-style-span" style="color: rgb(54, 53, 52); line-height: 13px; word-spacing: 5px;font-family:monospace;font-size:11px;" ><br /><br /></span></span><pre style="margin: 0px; text-indent: 0px;">connect<span style="color: rgb(0, 0, 0);">(ui->saveButton</span><span style="color: rgb(0, 0, 0);">,</span><span style="color: rgb(192, 192, 192);"> </span><span style="color: rgb(128, 128, 0);">SIGNAL</span><span style="color: rgb(0, 0, 0);">(clicked()),</span><span style="color: rgb(192, 192, 192);"> </span><span style="color: rgb(128, 0, 0);">m_mapper</span><span style="color: rgb(0, 0, 0);">,</span><span style="color: rgb(192, 192, 192);"> </span><span style="color: rgb(128, 128, 0);">SLOT</span><span style="color: rgb(0, 0, 0);">(</span>submit<span style="color: rgb(0, 0, 0);">()));</span></pre><style type="text/css">p, li { white-space: pre-wrap; }</style> <pre style="margin: 0px; text-indent: 0px;">connect<span style="color: rgb(0, 0, 0);">(</span><span style="color: rgb(128, 128, 0);">this</span><span style="color: rgb(0, 0, 0);">,</span><span style="color: rgb(192, 192, 192);"> </span><span style="color: rgb(128, 128, 0);">SIGNAL</span><span style="color: rgb(0, 0, 0);">(</span>accepted<span style="color: rgb(0, 0, 0);">()),</span><span style="color: rgb(192, 192, 192);"> </span><span style="color: rgb(128, 0, 0);">m_mapper</span><span style="color: rgb(0, 0, 0);">,</span><span style="color: rgb(192, 192, 192);"> </span><span style="color: rgb(128, 128, 0);">SLOT</span><span style="color: rgb(0, 0, 0);">(</span>submit<span style="color: rgb(0, 0, 0);">()));</span></pre><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/8926672353588680785-5019297841281399047?l=qtramblings.blogspot.com' alt='' /></div>Nils Jeiseckehttp://www.blogger.com/profile/14166531278918620063noreply@blogger.com0