I am also blind and this topic really interesses me. In the given example, heith and width were specified in pixels. Is there a way to write the same example using automatic adjustments, in other words, setting to the layout incresing or decreasing in the proporcion of the label writen?
2016-11-29 23:42 GMT-02:00, BobJ <rjustice...@woh.rr.com>: > > Most of the viewers of this message are probably already aware that I am > totally blind and must rely on screen-reading software to put to voice that > which appears on the computer's video display. Unfortunately, there is more > than one technique for "painting" a video display, some of which are very > "unfriendly" to screen-reading software. Many web sites and > application-software programs make use of some of those "unfriendly" > techniques thereby rendering them unusable by blind users on a practical > level. > > I have recently been very successful in completing a couple of console-based > programs for my personal use by writing source code using Microsoft's > NotePad and submitting that code to the FPC command-lie compiler. > > Now, I want to try my hand at developing software with a GUI but I have run > into some obstacles as mentioned in my opening statements, above. > > My attempts to use the following software has proven to be unsuccessful > because of the "unfriendly" nature of their video displays: > > Lazarus IDE,, > IDEU IDE, > FP IDE. > > So, while searching for some alternative methods that might be less > "unfriendly," I discovered the following: > > My questions follow the excerpt) > > -------- Begin web-site excerpt -------- > > Using the LCL without Lazarus > > 1How to use the LCL without the Lazarus IDE? > 1.1Requirements > 1.2Introduction > 1.3The installation process > 1.4The settings > 1.5The code > 1.6Lazarus 1.2.6 > 2Alternatives > How to use the LCL without the Lazarus IDE? > > Requirements > Things you'll need: > . Free Pascal 2.4.4 > . Lazarus 0.9.30 > Tested on Microsoft Windows XP SP3. > > Introduction > > You are not forced to use the Lazarus IDE if you want to develop with the > LCL. You can use it directly from the Free Pascal Compiler. > > The installation process > > First download Free Pascal 2.4.4 and the Lazarus 0.9.30 and install them. > Our FPC install directory will be this > C:\FPC\2.4.4\ > The Lazarus install directory will be this > C:\Lazarus\ > Then copy the lcl folder. > Copy this folder: > C:\Lazarus\lcl > Paste it to this location: > C:\FPC\2.4.4\units\i386-win32\lcl > Now you can remove Lazarus from your computer. In the next section we'll > inform the FPC that the LCL has been installed. > > The settings > > Start the FP IDE (included with FPC). > Click on the Options menu and then the Directories menu item. > > Select the Units tab (default). > Add these directories: > C:\FPC\2.4.4\units\i386-win32\lcl > C:\FPC\2.4.4\units\i386-win32\lcl\units\i386-win32 > C:\FPC\2.4.4\units\i386-win32\lcl\widgetset > C:\FPC\2.4.4\units\i386-win32\lcl\interfaces\win32 > Then click on the Include files tab. > Add this directory: > C:\FPC\2.4.4\units\i386-win32\lcl\include > Now, you should be able to use the LCL. However, above should be done for > all Modes in Options if you plan to switch the mode in the future. It is > easier to edit fp.cfg directly. In the next section we'll try out creating a > form with a button on it. > The code > This is the base code: > > program lcl_base; > {$mode objfpc} {$H+} > > uses > Classes, Interfaces, Forms, StdCtrls; > //Interfaces is very important > > type > TForm1 = class(TForm) > Button1: TButton; > end; > //Our Form class > > var > Form1: TForm1; > //Declare the Form1 > > begin > Application.Initialize; > Application.CreateForm(TForm1, Form1); > Form1.Button1 := TButton.Create(Form1); > With Form1.Button1 Do > begin > Parent := Form1; > Visible := TRUE; > Left := 10; > Top := 10; > Width := 100; > Height := 100; > Caption := 'PRESS ME'; > end; > Application.Run; > //We do exactly the same as Lazarus does > end. > > That's it. Now, you are able to use the LCL without the Lazarus IDE. > > Lazarus 1.2.6 > In order to compile the above example you will need access to units from > folder C:\lazarus\components\lazutils. The FP compiler would build the > application with c like operators on. > > Alternatives > If your aim is to compile Lazarus projects without using the Lazarus IDE, > you can install Lazarus and use the command line lazbuild tool to compile > projects. > > -------- End web-site excerpt -------- > > 1. I have FPC ver 3.0.0 and Lazarus ver 1.6 > Should the instructions given in the excerpt be applicable with these > versions, as well? > > 2. Is it safe to assume that when they say > "You are not forced to use the Lazarus IDE if you want to develop with the > LCL. You can use it directly from the Free Pascal Compiler." > that they mean that the source code can be submitted to FPC at the command > line? > > 3. As I stated somewhere above, the FP IDE is not accessable at a practical > level so, is there some other way that I can satisfy the requirements to do > the following? > > Start the FP IDE (included with FPC). > Click on the Options menu and then the Directories menu item. > Select the Units tab (default). > Add these directories: > C:\FPC\2.4.4\units\i386-win32\lcl > C:\FPC\2.4.4\units\i386-win32\lcl\units\i386-win32 > C:\FPC\2.4.4\units\i386-win32\lcl\widgetset > C:\FPC\2.4.4\units\i386-win32\lcl\interfaces\win32 > Then click on the Include files tab. > Add this directory: > C:\FPC\2.4.4\units\i386-win32\lcl\include > Now, you should be able to use the LCL. > > > If the answers to my questions #1 & #2 are in the affirmative, and if the > paths described in my question #3 can be added to the Windows search path or > inserted into a *.ini file or somewhere else, perhaps I can give it a go. > > I apologize for such a lengthy message but, I didn't know how else to make > clear my dilemma. > > Thanks, > > Bob > > -- Luciano de Souza _______________________________________________ fpc-pascal maillist - fpc-pascal@lists.freepascal.org http://lists.freepascal.org/cgi-bin/mailman/listinfo/fpc-pascal