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authorTimothy Pearson <[email protected]>2011-12-05 22:04:08 -0600
committerTimothy Pearson <[email protected]>2011-12-05 22:04:08 -0600
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@@ -87,7 +87,7 @@ body { background: #ffffff; color: black; }
<p align="center"><img align="middle" src="mw-menuwiz.png" width="616" height="420">
</p>
<blockquote><p align="center"><em>Main Window Wizard- Choosing menus and toolbars</em></p></blockquote>
-<li><!-- index Creating Toolbars --><!-- index Toolbars, Creating --><!-- index Toolbar Buttons!Adding --><!-- index Adding!Toolbar Buttons --><!-- index Separator!Menu item --><!-- index Separator!Toolbar button --><p>The <em>Setup Toolbar</em> wizard page is used to populate a toolbar with actions from each of the default action categories. The Category combobox is used to select which set of actions you wish to choose from. The Actions list box lists the actions available for the current category. The Toolbar listbox lists the toolbar buttons you want to create. The blue left and right arrow buttons are used to move actions into or out of the Toolbar list box. The blue up and down arrow buttons are used to move actions up and down within the Toolbar list box. Note that the '&lt;Separator&gt;' item in the Actions list box may be moved to the Toolbar list box as often as retquired and will cause a separator to appear in the finished toolbar.</p>
+<li><!-- index Creating Toolbars --><!-- index Toolbars, Creating --><!-- index Toolbar Buttons!Adding --><!-- index Adding!Toolbar Buttons --><!-- index Separator!Menu item --><!-- index Separator!Toolbar button --><p>The <em>Setup Toolbar</em> wizard page is used to populate a toolbar with actions from each of the default action categories. The Category combobox is used to select which set of actions you wish to choose from. The Actions list box lists the actions available for the current category. The Toolbar listbox lists the toolbar buttons you want to create. The blue left and right arrow buttons are used to move actions into or out of the Toolbar list box. The blue up and down arrow buttons are used to move actions up and down within the Toolbar list box. Note that the '&lt;Separator&gt;' item in the Actions list box may be moved to the Toolbar list box as often as required and will cause a separator to appear in the finished toolbar.</p>
<p>Copy the New, Open, and Save Actions to the Toolbar list box. Copy a &lt;Separator&gt; to the Toolbar list box. Change the Category to Edit and copy the Cut, Copy, and Find actions to the Toolbar list box. Click <b>Next</b> and then click <b>Finish</b>.</p>
<p>Click <b>File|Save</b> and save the form as <tt>mainform.ui</tt>.</p>
<p align="center"><img align="middle" src="mw-settoolwiz.png" width="616" height="420">
@@ -126,8 +126,8 @@ body { background: #ffffff; color: black; }
<p align="center"><img align="middle" src="mw-objexplor.png" width="328" height="465">
</p>
<blockquote><p align="center"><em>Object Explorer</em></p></blockquote>
-<!-- index Code Editing --><!-- index Subclassing --><!-- index Forward declarations --><!-- index Includes --><!-- index Adding!Code --><!-- index Adding!Forward declarations --><!-- index Adding!Includes --><!-- index Adding!Class variables --><!-- index Class variables --><!-- index Deleting!Forward declarations --><!-- index Deleting!Includes --><!-- index Deleting!Class variables --><!-- index Forms!Forward declarations --><!-- index Forms!Class variables --><!-- index Forms!Code editing --><!-- index Forms!destructor --><!-- index Forms!constructor --><p>In the original version of <em>TQt Designer</em> if you wanted to provide code for a form you had to subclass the form and put your code in the subclass. This version fully supports the subclassing approach, but now provides an alternative: placing your code directly into forms. Writing code in <em>TQt Designer</em> is not quite the same as subclassing, for example you cannot get direct access to the form's constructor or destructor. If you need code to be executed by the constructor create a slot called<!-- index init() --> <tt>void init()</tt>; if it exists it will be called from the constructor. Similarly, if you need code to be executed before destruction create a slot called<!-- index destroy() --> <tt>void destroy()</tt>. You can also add your own class variables which will be put in the generated constructor's code, and you can add forward declarations and any includes you retquire. To add a variable or declaration, right click the appropriate item, e.g. Class Variables, then click <b>New</b> then enter your text, e.g. <tt>TQString m_filename</tt>. If one or more items exist, right click to pop up a menu that has New, Edit and Delete options. If you want to enter multiple items, e.g. multiple include files or multiple data members, it is easiest to right click in the relevant section, then click <b>Edit</b> to invoke an Edit dialog. To edit code, just click the name of a function to invoke the code editor. Code editing and creating slots are covered later in the chapter.</p>
-<!-- index Subclassing --><p>If you subclass the form you create your own<!-- index .cpp --> <tt>.cpp</tt> files which can contain your own constructor, destructor, functions, slots, declarations and variables as your retquirements dictate. (See <a href="designer-manual-6.html#1">Subclassing</a> for more information.)</p>
+<!-- index Code Editing --><!-- index Subclassing --><!-- index Forward declarations --><!-- index Includes --><!-- index Adding!Code --><!-- index Adding!Forward declarations --><!-- index Adding!Includes --><!-- index Adding!Class variables --><!-- index Class variables --><!-- index Deleting!Forward declarations --><!-- index Deleting!Includes --><!-- index Deleting!Class variables --><!-- index Forms!Forward declarations --><!-- index Forms!Class variables --><!-- index Forms!Code editing --><!-- index Forms!destructor --><!-- index Forms!constructor --><p>In the original version of <em>TQt Designer</em> if you wanted to provide code for a form you had to subclass the form and put your code in the subclass. This version fully supports the subclassing approach, but now provides an alternative: placing your code directly into forms. Writing code in <em>TQt Designer</em> is not quite the same as subclassing, for example you cannot get direct access to the form's constructor or destructor. If you need code to be executed by the constructor create a slot called<!-- index init() --> <tt>void init()</tt>; if it exists it will be called from the constructor. Similarly, if you need code to be executed before destruction create a slot called<!-- index destroy() --> <tt>void destroy()</tt>. You can also add your own class variables which will be put in the generated constructor's code, and you can add forward declarations and any includes you require. To add a variable or declaration, right click the appropriate item, e.g. Class Variables, then click <b>New</b> then enter your text, e.g. <tt>TQString m_filename</tt>. If one or more items exist, right click to pop up a menu that has New, Edit and Delete options. If you want to enter multiple items, e.g. multiple include files or multiple data members, it is easiest to right click in the relevant section, then click <b>Edit</b> to invoke an Edit dialog. To edit code, just click the name of a function to invoke the code editor. Code editing and creating slots are covered later in the chapter.</p>
+<!-- index Subclassing --><p>If you subclass the form you create your own<!-- index .cpp --> <tt>.cpp</tt> files which can contain your own constructor, destructor, functions, slots, declarations and variables as your requirements dictate. (See <a href="designer-manual-6.html#1">Subclassing</a> for more information.)</p>
</blockquote>
<h4><a name="4-3"></a>Adding Custom Actions</h4>
<p>We want to provide the user with actions that are specific to our application. We want to provide the ability to switch between the two views we will be offering, and allow the user to add colors and set their preferred options. We'll prepare the way by creating a new menu for the view options and by adding a separator to the toolbar.</p>
@@ -301,7 +301,7 @@ body { background: #ffffff; color: black; }
<p align="center"><img align="middle" src="mw-conn4.png" width="600" height="407">
</p>
<h4><a name="6-5"></a>Editing the Code: Setting Up</h4>
-<p>There is quite a lot of code to include in the application, but this does not mean that a lot of typing is retquired! All the code is reproduced here so, if you're reading an electronic copy, you can simply cut and paste. If you're reading a print copy, all the code is provided in <tt>/tools/designer/examples/colortool</tt>; simply open the relevant <tt>.ui.h</tt> files and copy and paste from there into your own version of the project.</p>
+<p>There is quite a lot of code to include in the application, but this does not mean that a lot of typing is required! All the code is reproduced here so, if you're reading an electronic copy, you can simply cut and paste. If you're reading a print copy, all the code is provided in <tt>/tools/designer/examples/colortool</tt>; simply open the relevant <tt>.ui.h</tt> files and copy and paste from there into your own version of the project.</p>
<blockquote>
<p align="center"><b> Cutting &amp; Pasting Into the Code Editor</b></p>
<p>If you cut and paste code from this manual, because we've indented the code for readability, the code will be over-indented in <em>TQt Designer</em>. This is easily solved. Simply select the function containing the pasted code (either with the mouse, or <b>Shift+Arrow</b>s) and press <b>Tab</b>: this will make <em>TQt Designer</em> fix the indentation. Note that you must select the <em>entire</em> function, including its name and parameters.</p>
@@ -421,7 +421,7 @@ body { background: #ffffff; color: black; }
}
}
</pre>
- <p>This function is at the heart of the application. It visually presents the data to the user. If the table is "dirty" (e.g. if the user has added or deleted colors in the icon view, or has opened a color file) we will populate the table. We start by deleting the contents of every cell. Next we change the number of rows to equal the number of colors in the colors map. For each color we want to display a little square that shows the color, so we create a pixmap of the retquired size.</p>
+ <p>This function is at the heart of the application. It visually presents the data to the user. If the table is "dirty" (e.g. if the user has added or deleted colors in the icon view, or has opened a color file) we will populate the table. We start by deleting the contents of every cell. Next we change the number of rows to equal the number of colors in the colors map. For each color we want to display a little square that shows the color, so we create a pixmap of the required size.</p>
<p>We now create an iterator for our colors map, and iterate over every color. The colors map has the user's color names as its keys, and <a href="qcolor.html">TQColor</a> instances as values. We retrieve the color and fill our pixmap with that color. We then set the "Name" column (column <tt>COL_NAME</tt>), to have the color's name (<tt>it.key()</tt>) and the pixmap we've just filled with that color. <a href="qcolor.html">TQColor</a>'s <tt>name()</tt> function returns a string that is the hex representation of a color, e.g. "#12AB2F"; we retrieve this and set the second ("Hex") column to this value.</p>
<p>If the user wants to see if which colors are web colors we create a <a href="qchecktableitem.html">TQCheckTableItem</a>, and check it if it is a web color. (We'll cover <tt>isWebColor()</tt> shortly.) We then insert this <a href="qchecktableitem.html">TQCheckTableItem</a> into the "Web" column.</p>
<p>Having populated the table we call <tt>adjustColumn()</tt> to ensure that each column is just wide enough to show its widest entry, and show or hide the "Web" column depending on the user's preference.</p>
@@ -762,7 +762,7 @@ Captures: cap(1) cap(2) cap(3) cap(4)
<p>This is the second revision of this function. Now we only exit if the user has had the opportunity to save any unsaved changes. (We'll make a third and final version of this function later, when we deal with saving user settings.)</p>
<p>Try making and running the program. If you have <tt>rgb.txt</tt> on your system try loading it and saving it under a new name for testing purposes. If you don't have this file, save the standard colors and use those. In the next section we'll cover adding and deleting colors so that you can create your own color files. (If it doesn't build see the <a href="designer-manual-4.html#6">Troubleshooting</a> section.)</p>
<h4><a name="6-28"></a>Editing the Code: The Edit Options</h4>
-<p>Adding a new color, finding a color and handling user options all retquire custom dialogs, so we'll defer them until chapter three when we deal with dialogs.</p>
+<p>Adding a new color, finding a color and handling user options all require custom dialogs, so we'll defer them until chapter three when we deal with dialogs.</p>
<h4><a name="6-29"></a>editCut()</h4>
<pre> void MainForm::editCut()
{