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PHP WinBinder: Text input: Difference between revisions
Proofreading and grammatical changes; some minor reformatting
(New page: {{Nav PHP WinBinder}} '''''Text and numeric input''''' Previous page covered very basic I/O this page looks at obtaining data (numeric and text) from a user. In addition I have thrown in ...) |
(Proofreading and grammatical changes; some minor reformatting) |
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'''''Text and numeric input''''' | '''''Text and numeric input''''' | ||
The previous page covered very basic I/O. This page looks at obtaining data (numeric and text) from a user. In addition, I have thrown in a little extra user feedback. | |||
Example 3 uses Example 2 as a template | Example 3 uses Example 2 as a template. In reality there are only small changes. | ||
== | == Control Creation == | ||
Again we use this this function to create controls: | Again we use this this function to create controls: | ||
{| | {| | ||
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</pre> | </pre> | ||
|} | |} | ||
I | I have reduced it, however there is an extra parameter, '''style''', that we will be using: | ||
{| | {| | ||
|- | |- | ||
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|} | |} | ||
Style changes | Style changes the look of a control. For example, WBC_BORDER will produce a 3-D look on a label. | ||
Changes label3 as follows: | Changes label3 as follows: | ||
<pre> | <pre> | ||
$text = " This is test 3 on two lines\n Sunken Label"; | $text = " This is test 3 on two lines\n Sunken Label"; | ||
$label3 = wb_create_control($mainwin, Label, $text, | $label3 = wb_create_control($mainwin, Label, $text, 5, 60, 140, 40, 103, WBC_BORDER); | ||
</pre> | </pre> | ||
or it can change a | or it can change a control's functionality as in the edit box below. | ||
'''''[[#top | Top]]''''' | '''''[[#top | Top]]''''' | ||
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* Each EditBox has a unique ID 301,302 | * Each EditBox has a unique ID 301,302 | ||
* handles are captured in variables $editbox1 and $editbox2 these are optional | * handles are captured in variables $editbox1 and $editbox2 these are optional | ||
* You can find a | * You can find a component's handle using its ID. For example, '''wb_get_control($window, 301)''' | ||
|} | |} | ||
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|'''xpos,'''|| '''ypos''', '''width''' and '''height''' Tweak the values to position and size EditBox. | |'''xpos,'''|| '''ypos''', '''width''' and '''height''' Tweak the values to position and size EditBox. | ||
|- | |- | ||
|'''id'''|| A unique integer identifies a control. Start from 100 to avoid clashes. Say labels will be 100 push buttons 200 and edit boxes start at 300 etc | |'''id'''|| A unique integer identifies a control. Start from 100 to avoid clashes. Say labels will be 100, push buttons 200, and edit boxes start at 300, etc. | ||
|- | |- | ||
|'''style'''|| Optional if not provided the window will accept all characters. Setting style to WBC_NUMBER only characters 0 to 9 are excepted. | |'''style'''|| Optional if not provided the window will accept all characters. Setting style to WBC_NUMBER only characters 0 to 9 are excepted. | ||
|} | |} | ||
Place the above in section two of the template. Once the main window is created the two controls are created | Place the above in section two of the template. Once the main window is created the two controls are created. | ||
'''''[[#top | Top]]''''' | '''''[[#top | Top]]''''' | ||
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|-valign="top" | |-valign="top" | ||
| | | | ||
At this stage running the script will produce a window as shown on the right. | At this stage, running the script will produce a window as shown on the right. | ||
The pushbuttons will perform what was specified for Example 2. | The pushbuttons will perform what was specified for Example 2. | ||
Let's specify new functionality for the buttons. | |||
'''''Button Specification''''' | '''''Button Specification''''' | ||
* '''Apache''' When clicked changes label1 to display “Apache Port = 80” and | * '''Apache''' When clicked changes label1 to display “Apache Port = 80” and displays a green square to right of edit box 1. | ||
* '''MySQL''' When clicked changes label2 to display “MySQL Port = 3306” | * '''MySQL''' When clicked changes label2 to display “MySQL Port = 3306” | ||
* '''Alert''' When clicked changes both labels to what was entered in the text boxes. Adds or replaces green square with a red one. | * '''Alert''' When clicked changes both labels to what was entered in the text boxes. Adds or replaces green square with a red one. | ||
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|} | |} | ||
==== MySQL Button ==== | ==== MySQL Button ==== | ||
Handler code for MySQL button: | Handler code for MySQL button: | ||
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* break exits switch | * break exits switch | ||
|} | |} | ||
==== Alert Button ==== | ==== Alert Button ==== | ||