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On Styles for Buttons |
Mon, Nov 20 2017 6:37 PM | Permanent Link |
erickengelke | So many people have asked about coloring buttons. In my EWB book I gave an example of one solution. I had a case where several different clients wanted colored buttons following a scheme other than the default EWB scheme. The recommended way is to edit the interface file. But there were a couple of reasons why that wasn't working on these projects. What I wanted was some sort of Style manager capability, so in source code I could define the color attributes that are normally inaccessible, and so I could save the color choices of the user. I made a little unit you can call from the Program Source file (the main section of an EWB program). Actually, you can call it anywhere in your program, but it only changes buttons drawn after you set them. So the startup code is probably a good place, or after the login if you wish. contains test, style; // NOTE: style must be linked uses WebForms, WebCtrls, webui; // NOTE, need webui for the color constants begin // colorful button scheme style StyleBackFill( 'TButton', 'Normal', clBlack ); StyleBackFill( 'TButton', 'Hot', clOrange ); StyleBackFill( 'TButton', 'Focused', clGreen ); StyleBackFill( 'TButton', 'Pushed', clOrange ); StyleBackFill( 'TButton', 'Disabled', clGray ); // alternate style, black when focused, dark gray most times, // red when pressed, gray when disabled StyleBackFill( 'TButton', 'Disabled', clGray ); StyleBackFill( 'TButton', 'Pushed', clRed ); StyleBackFill( 'TButton', 'Focused', clBlack ); StyleBackFill( 'TButton', 'Normal,Hot', clDimGray ); Application.Title := ''; Application.LoadProgress := False; Application.CreateForm(TForm1); Application.Run('Form1'); end; Note, I let you use * or comma separated states. You should not be tempted to set all the colors to, say, black, because then people cannot see the focused mouse... and focused mice are required for TAB-capabilities, and TAB-capabiltieis are required for some users including those with some mobility issues. Erick http://www.erickengelke.com Attachments: ewbext.zip |
Tue, Nov 21 2017 1:56 PM | Permanent Link |
Richard Harding Wise Nutrition Coaching | Thank you Erick. Very neat and useful. Richard |
Fri, Nov 24 2017 1:56 PM | Permanent Link |
Tim Young [Elevate Software] Elevate Software, Inc. timyoung@elevatesoft.com | Erick, << So many people have asked about coloring buttons. In my EWB book I gave an example of one solution. I had a case where several different clients wanted colored buttons following a scheme other than the default EWB scheme. The recommended way is to edit the interface file. But there were a couple of reasons why that wasn't working on these projects. What I wanted was some sort of Style manager capability, so in source code I could define the color attributes that are normally inaccessible, and so I could save the color choices of the user. I made a little unit you can call from the Program Source file (the main section of an EWB program). Actually, you can call it anywhere in your program, but it only changes buttons drawn after you set them. So the startup code is probably a good place, or after the login if you wish. >> Well done. I've been wanting to document this functionality a little more for some time now, but yes, you can manipulate *anything* about any of the control interfaces at run-time in order to change the way that they look. Also, if you want to reset the control interface for any control, you can use this method: https://www.elevatesoft.com/manual?action=viewmethod&id=ewb2&comp=TInterfaceController&method=ResetInterface Tim Young Elevate Software www.elevatesoft.com |
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