From 92ab051e21b5b2d7df9fa6aa8d7dacc10305a539 Mon Sep 17 00:00:00 2001 From: Michael R Sweet Date: Wed, 27 Jan 1999 14:24:00 +0000 Subject: Updated symbols image, and fixed a few more typos. git-svn-id: file:///fltk/svn/fltk/trunk@250 ea41ed52-d2ee-0310-a9c1-e6b18d33e121 --- documentation/fluid.html | 36 ++++++++++++++++++------------------ 1 file changed, 18 insertions(+), 18 deletions(-) (limited to 'documentation/fluid.html') diff --git a/documentation/fluid.html b/documentation/fluid.html index c84d8fe52..9839e33c1 100644 --- a/documentation/fluid.html +++ b/documentation/fluid.html @@ -333,12 +333,12 @@ syntax errors such as mismatched parenthesis in any code before saving any text.

- "Revert" or "Cancel" put everything back to when you last brought up +"Revert" or "Cancel" put everything back to when you last brought up the panel or hit OK. However in the current version of FLUID, changes to "visible" attributes (such as the color, label, box) are not undone by revert or cancel. Changes to code like the callbacks are undone, -however. -

Widget Attributes

+however. +

Widget Attributes

Name (text field)

Name of a variable to declare, and to store a pointer to this widget into. This variable will be of type "<class>*". If the name is @@ -464,9 +464,9 @@ much other error checking. Be careful here, as it may be hard to figure out what widget is producing an error in the compiler.

If the callback is blank then no callback is set.

user_data

-

This is a value for the user_data() of the widget. If blank the +This is a value for the user_data() of the widget. If blank the default value of zero is used. This can be any piece of C code that -can be cast to a void pointer.

+can be cast to a void pointer.

User Data Type

The void * in the callback function prototypes is replaced with this. You may want to use long for old XForms code. Be warned that @@ -482,11 +482,11 @@ the data is not changed.

There are other rare but useful values for the when() field that are not in the menu. You should use the extra code fields to put these values in.

-

Selecting Moving Widgets

-

Double-clicking a window name in the browser will display it, if not +

Selecting and Moving Widgets

+Double-clicking a window name in the browser will display it, if not displayed yet. From this display you can select widgets, sets of widgets, and move or resize them. To close a window either -double-click it or type Esc.

+double-click it or type Esc.

To select a widget, click it. To select several widgets drag a rectangle around them. Holding down shift will toggle the selection of the widgets instead.

@@ -530,8 +530,8 @@ effect. The string typed into here is passed to the X window manager as the class. This can change the icon or window decorations. On most (all?) window managers you will have to close the window and reopen it to see -the effect. -

Image Labels

+the effect. +

Image Labels

Selecting "Image..." off the label style pull-down menu will bring up a file chooser from which you pick the image file. If an image has already been chosen, you can change the image used by picking @@ -547,10 +547,10 @@ to the location the .fl file is (not necessarily the current directory). I recommend you either put the images in the same directory as the .fl file, or use absolute path names.

Notes for all image types

-

FLUID runs using the default visual of your X server. This may be 8 +FLUID runs using the default visual of your X server. This may be 8 bits, which will give you dithered images. You may get better results in your actual program by adding the code "Fl::visual(FL_RGB)" to your -code right before the first window is displayed.

+code right before the first window is displayed.

All widgets with the same image on them share the same code and source X pixmap. Thus once you have put an image on a widget, it is nearly free to put the same image on many other widgets.

@@ -569,9 +569,9 @@ want the image inside it, you must change the button's boxtype to FL_UP_FRAME (or another frame), otherwise when it is pushed it will erase the image.

XBM (X bitmap files)

-

FLUID will read X bitmap files. These files have C source code to +FLUID will read X bitmap files. These files have C source code to define a bitmap. Sometimes they are stored with the ".h" or ".bm" -extension rather than the standard ".xbm".

+extension rather than the standard ".xbm".

FLUID will output code to construct an Fl_Bitmap widget and use it to label the widget. The '1' bits in the bitmap are drawn using the label color of the widget. You can change the color in FLUID. The '0' @@ -579,9 +579,9 @@ bits are transparent.

The program "bitmap" on the X distribution does an ok job of editing bitmaps.

XPM (X pixmap files)

-

FLUID will read X pixmap files as used by the libxpm library. These +FLUID will read X pixmap files as used by the libxpm library. These files have C source code to define a pixmap. The filenames usually -have a ".xpm" extension.

+have a ".xpm" extension.

FLUID will output code to construct an Fl_Pixmap widget and use it to label the widget. The label color of the widget is ignored, even for 2-color images that could be a bitmap.

@@ -596,9 +596,9 @@ XPaint. This (and most other) painting programs are designed for large full color images and are difficult to use to edit an image of small size and few colors.

GIF files

-

FLUID will also read GIF image files. These files are often used on +FLUID will also read GIF image files. These files are often used on html documents to make icons. This lets you use nice icons that you -steal off the net in your user interface.

+steal off the net in your user interface.

FLUID converts these into (modified) XPM format and uses an Fl_Pixmap widget to label the widget. Transparency is handled the same as for xpm files. Notice that the conversion removes the compression, -- cgit v1.2.3