BorlandTalk.com Borland discussion newsgroups   Archives   FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in to check your private messages   Log in  Resizing Components & resolution independance Goto page 1, 2, 3  Next          BorlandTalk.com Forum Index -> Delphi Thirdparty Tools (General) View previous topic :: View next topic   Author Message Luke Grews Guest Posted: Mon May 09, 2005 3:40 pm    Post subject: Resizing Components & resolution independance Hi All I am looking for some advice on how to make our app resolution independant. Can anyone recommend VCL resizing components and which are the best? Further, how is this issue solved in the industry generally? Any suggestions and ideas greatly appreciated. Thanks Luke Back to top Paul Dolen Guest Posted: Mon May 09, 2005 7:00 pm    Post subject: Re: Resizing Components & resolution independance Quote: I am looking for some advice on how to make our app resolution independant. Can anyone recommend VCL resizing components and which are the best? Further, how is this issue solved in the industry generally? There are indeed some components for this. I used a few times a product that was called PerfectSize, but the vendor went away. But, in general, well, I think most people feel it best to not use those things. Most people use anchors and components that will fill a panel, like grids. On the app that I used PerfectSize on, it was a app that was a data entry application, with screens with lots of fields on them. For that kind of app, a resizing component could make sense. But I think for most, it doesn't. Back to top Alan Questell Guest Posted: Mon May 09, 2005 7:27 pm    Post subject: Re: Resizing Components & resolution independance There's one available in the JVLC components. "Luke Grews" <duel (AT) telkomsa (DOT) net> wrote Quote: Hi All I am looking for some advice on how to make our app resolution independant. Can anyone recommend VCL resizing components and which are the best? Further, how is this issue solved in the industry generally? Any suggestions and ideas greatly appreciated. Thanks Luke Back to top Crazy Horse's crazier lit Guest Posted: Mon May 09, 2005 9:20 pm    Post subject: Re: Resizing Components & resolution independance "Alan Questell" <alanq (AT) pinehurst (DOT) net> wrote Quote: There's one available in the JVLC components. If anybody tries this component and has success, please let me know. I'll install the rest of the JVCL, in that case (I have part, but not all of it installed, at least I see no such component) on the following JVCL tabs: JV Non-Visual; JV Persistence; JV Buttons; JV Edits; JV Bars, Panels, JV Labels; JV Visual; JV Images, Animators. -- Download Blackbird Crow Raven's book "STILL CASTING SHADOWS: Two American Families 1620-2006" (.exe and Delphi source): http://cc.borland.com/ccweb.exe/listing?id=23106 Back to top Mark G. Zeringue Guest Posted: Mon May 09, 2005 9:58 pm    Post subject: Re: Resizing Components & resolution independance "Luke Grews" <duel (AT) telkomsa (DOT) net> wrote Quote: Hi All I am looking for some advice on how to make our app resolution independant. Can anyone recommend VCL resizing components and which are the best? Further, how is this issue solved in the industry generally? Try TElasticForm, I used it to replace GTSizer since they do not seem interested in upgrading to Delphi2005 and it was the only component I used without source. TElasticForm has worked well and they provide source. http://home.flash.net/~qsystems/ Mark Back to top Pete Muller Guest Posted: Mon May 09, 2005 10:01 pm    Post subject: Re: Resizing Components & resolution independance DevEx's ExpressLayout Control ( http://www.devexpress.com/Products/VCL/ExLayoutControl ) is brilliant :) Pete. Back to top Alan Questell Guest Posted: Mon May 09, 2005 10:37 pm    Post subject: Re: Resizing Components & resolution independance It works fine except it does not have an option to adjust the font size based on form resizing. It resizes all controls however. It's called JvFormAutosize and its on the "Jv Application, Forms" tab. "Crazy Horse's crazier little brother" <cshannon (AT) d4sw (DOT) com> wrote Quote: "Alan Questell" <alanq (AT) pinehurst (DOT) net> wrote in message news:427fb99e (AT) newsgroups (DOT) borland.com... There's one available in the JVLC components. If anybody tries this component and has success, please let me know. I'll install the rest of the JVCL, in that case (I have part, but not all of it installed, at least I see no such component) on the following JVCL tabs: JV Non-Visual; JV Persistence; JV Buttons; JV Edits; JV Bars, Panels, JV Labels; JV Visual; JV Images, Animators. -- Download Blackbird Crow Raven's book "STILL CASTING SHADOWS: Two American Families 1620-2006" (.exe and Delphi source): http://cc.borland.com/ccweb.exe/listing?id=23106 Back to top Ben Crain Guest Posted: Tue May 10, 2005 12:18 am    Post subject: Re: Resizing Components & resolution independance Pete Muller wrote: Quote: DevEx's ExpressLayout Control ( http://www.devexpress.com/Products/VCL/ExLayoutControl ) is brilliant :) Pete. As I understand it, ExpressLayout does not deliver resolution independence. In fact, I asked them (devexpress) about that explicitly, and they replied that it was not intended to deliver resolution independence, which was not a very good idea anyway. That is, trying to achieve resolution independence is not worth the effort, and any such effort is bound to fall short on some kind of app/control. At least that's my interpretation of their response. If I'm missing something please let me know. I did try ExpressLayout, and would take issue with the assessment that it's brilliant. It probably is, as a technical achievement. But I found the learning curve ridiculously steep, and even after I got a grip on the basics, I still found it quite tedious. My own personal solution to this problem is, IMHO, easier to implement than ExpressLayout (if you take account of the learning effort), delivers equal results (at least for what I do), and offers some degree of resolution independence. My solution: Position everything -- everything! -- in code. Set all size properties (size of controls, fonts sizes, etc), in code. This sounds like a lot of work, and it can be at the outset, but, once you get everything set up, making changes, even big ones, can be quite easy, often requiring changes in only 1, or a few, lines of code. To do that requires creating a number of variables to hold the values that establish the positioning of everything. But not all that many: even on a busy form, I typically need only about 20-30 such variables, plus a small number of font settings, Height and Width settings for controls, etc. Then I can achieve resolution independence by simply changing these variables/settings depending on the user's screen resolution. In principle that could be done for all screen resolutions, but that would indeed be a lot of work, since you would have to run the app at each different resolution and decide what the variable values should be for that resolution to achieve the overall appearance you want. But, to the extend you want to do that, the result is better than simple resolution independence: you get exactly the appearance you want, customized at each resolution. However, that's not, in my opinion, worth doing at all resolutions. I do it for just 2: the lowest I permit (800x600 -- I prohibit the app from running at the old 640x480, or whatever it was), and the next one up (1024x768 on my monitor). That's good enough. Anyone using higher resolutions will see my app (and everything on it) as smaller than I designed it. They will, however, see everything positioned on the form -- relative to the form's size and to everthing else on the form -- exactly as I intend it to appear. If they want to see it bigger or smaller, they can change their own screen resolution. No need for me to force on them a constant absolute size at which everything will always appear. As far as I've been able to check, major commercial apps don't try to deliver resolution independence. Look at Delphi itself: if I run the IDE at higher resolutions, everything on the IDE gets smaller and smaller: no resolution independence there. my 2 cents, Ben Crain Back to top Jim McKay Guest Posted: Tue May 10, 2005 3:38 am    Post subject: Re: Resizing Components & resolution independance Ben Crain said... (...) Quote: My solution: Position everything -- everything! -- in code. Set all size properties (size of controls, fonts sizes, etc), in code. This sounds like a lot of work, and it can be at the outset, but, once you get everything set up, making changes, even big ones, can be quite easy, often requiring changes in only 1, or a few, lines of code. I do same thing. I built a persistence mechanism with StorageLib (http://www.deepsoftware.ru/rsllib/index.html) into one of my form classes to handle this. Works fine, and not so much work at all. -- Regards: Jim McKay "My theory of evolution is that Darwin was adopted." -- Steven Wright Posted with XanaNews: Ver: 1.17.4.1 Back to top k_c_400@yahoo.com Guest Posted: Tue May 10, 2005 7:09 am    Post subject: Re: Resizing Components & resolution independance Luke Grews wrote: Quote: Hi All I am looking for some advice on how to make our app resolution independant. Can anyone recommend VCL resizing components and which are the best? Further, how is this issue solved in the industry generally? Any suggestions and ideas greatly appreciated. Thanks Luke Try EasySize - do a google search on the "delphi easysize.zip" will yield enough download information. Source include, freeware, work reasonable well. Not perfect - won't work if a visible component is created during the run time. Be careful on the JVCL FormAutoSize component, a bit of component's original size & position information will be lost after each resize, i.e., change the form size a few times in a row, the components' size and placement may not be what you want. Back to top Crazy Horse's crazier lit Guest Posted: Tue May 10, 2005 2:01 pm    Post subject: Re: Resizing Components & resolution independance "Alan Questell" <alanq (AT) pinehurst (DOT) net> wrote Quote: It works fine except it does not have an option to adjust the font size based on form resizing. It resizes all controls however. Font (re)sizing seems pretty important to me; I cre8 apps for various people here, and they all have their own individual resolution and dpi/font sizes. TElasticForm looks interesting, and it's only $35 for the no-source version. In fact, this is an important enough issue that I think it should come in the (Delphi) box. Maybe one of the interns can walk around the bldg, and look under the sofa cushions for a spare million or so, and license the best component of this type. -- Download Blackbird Crow Raven's book "STILL CASTING SHADOWS: Two American Families 1620-2006" (.exe and Delphi source): http://cc.borland.com/ccweb.exe/listing?id=23106 Back to top Paul Dolen Guest Posted: Tue May 10, 2005 2:15 pm    Post subject: Re: Resizing Components & resolution independance Quote: lowest I permit (800x600 -- I prohibit the app from running at the old 640x480, or whatever it was), and the next one up (1024x768 on my monitor) Interesting way to go. Just a possible suggestion/comment. A popular resolution is 1280 x 1024. But it is a 5:4 aspect ratio, while most popular resolutions (such as the ones you listed) are 4:3. So, it might (possibly) be worth adding that to your list of configured/tested resolutions. Back to top JED Guest Posted: Wed May 11, 2005 3:13 am    Post subject: Re: Resizing Components & resolution independance Crazy Horse's crazier little brother wrote: Quote: In fact, this is an important enough issue that I think it should come in the (Delphi) box. Maybe one of the interns can walk around the bldg, and look under the sofa cushions for a spare million or so, and license the best component of this type. I would hate to use an application that scaled in the way is mentioned in this thread. I'd put my hand out for the spare million though <g> -- www.jed-software.com Back to top Craig Guest Posted: Wed May 11, 2005 3:17 am    Post subject: Re: Resizing Components & resolution independance Quote: I would hate to use an application that scaled in the way is mentioned in this thread. I wasn't going to say anything, but I also hate these 'scalable' apps. To me it translates to an immediate uninstall. Craig, www.h3k.biz Back to top Chris Morgan Guest Posted: Wed May 11, 2005 9:45 am    Post subject: Re: Resizing Components & resolution independance Quote: I wasn't going to say anything, but I also hate these 'scalable' apps. To me it translates to an immediate uninstall. I agree. If you have your screen set to a high resolution, it means you want to see more information, or more applications at once, rather than just a scaled-up version of a 640x480 form (or whatever). My approach when developing is to just anchor or align everything and check the form is not too big for whatever minimum screen resolution you specify, and that it looks OK with both small and large fonts. 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