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author | Dan Gudmundsson <[email protected]> | 2013-11-07 15:59:19 +0100 |
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committer | Dan Gudmundsson <[email protected]> | 2013-11-07 15:59:19 +0100 |
commit | cb3e0d1f5bc0036d3770384d5122b477b3ce051d (patch) | |
tree | 381700f322e6979105d5c5c8f3864bb71cf35bf6 /lib/toolbar/src/canvasbutton.erl | |
parent | 20ab087b40b6a21bea132a2ba4b3ceeb63273863 (diff) | |
download | otp-cb3e0d1f5bc0036d3770384d5122b477b3ce051d.tar.gz otp-cb3e0d1f5bc0036d3770384d5122b477b3ce051d.tar.bz2 otp-cb3e0d1f5bc0036d3770384d5122b477b3ce051d.zip |
Remove toolbar
Diffstat (limited to 'lib/toolbar/src/canvasbutton.erl')
-rw-r--r-- | lib/toolbar/src/canvasbutton.erl | 239 |
1 files changed, 0 insertions, 239 deletions
diff --git a/lib/toolbar/src/canvasbutton.erl b/lib/toolbar/src/canvasbutton.erl deleted file mode 100644 index 81e0ed43bb..0000000000 --- a/lib/toolbar/src/canvasbutton.erl +++ /dev/null @@ -1,239 +0,0 @@ -%% -%% %CopyrightBegin% -%% -%% Copyright Ericsson AB 1996-2012. All Rights Reserved. -%% -%% The contents of this file are subject to the Erlang Public License, -%% Version 1.1, (the "License"); you may not use this file except in -%% compliance with the License. You should have received a copy of the -%% Erlang Public License along with this software. If not, it can be -%% retrieved online at http://www.erlang.org/. -%% -%% Software distributed under the License is distributed on an "AS IS" -%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See -%% the License for the specific language governing rights and limitations -%% under the License. -%% -%% %CopyrightEnd% -%% --module(canvasbutton). --compile([{nowarn_deprecated_function,{gs,config,2}}, - {nowarn_deprecated_function,{gs,create,3}}, - {nowarn_deprecated_function,{gs,read,2}}]). - -%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -% -% Erlang Toolbar -% -%%% Description %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -% -% Extension to GS used to imitate buttons but instead using images drawn -% on a canvas. Enables usage of .gif files as button images and not only -% .xbm (bitmap) files. -% -%%% Constants %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -% --define(gray,{87,87,87}). -% -%%% Internal data structures %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -% -% canvasbutton() --record(canvasbutton,{image,rect,ul,ll}). -% -% cboptions() --record(cboptions, - {imagefile=nofile, % nofile | - % string() Name of image file - x=0, % integer() X coordinate relative the canvas - y=0, % integer() Y coordinate relative the canvas - width=10, % integer() Button width - height=10, % integer() Button heigth - fg=black, % atom() Foreground color - data=[]}). % term() Data associated with button events -% -%%% Exports %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -% --export([create/1,create/2,read/2,press/1,release/1]). -% -%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% - -%%% Exported functions %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% - -%---------------------------------------- -% create(Canvas) => create(Canvas,[]) -% create(Canvas,OptionList) => canvasbutton() -% Canvas - GS canvas object -% OptionList - [{Option,Value}] -% Option, Value - see below -% Create a canvasbutton with the given image on Canvas -% -% Option Value Default Comment -% ---------------------------------------------------------------- -% image nofile | nofile Name of image file. Must be a bitmap -% string() file (.xbm) or a GIF file (.gif). -% x integer() 0 X coordinate relative to Canvas -% y integer() 0 Y coordinate relative to Canvas -% width integer() 10 Button width -% height integer() 10 Button height -% fg atom() black Foreground color, bitmaps only -% data term() [] Data associated with button events -% -% The process calling this function will receive the following events: -% {gs,GsObj,enter,{canvasbutton,Canvasbutton,Data},Args} -% {gs,GsObj,leave,{canvasbutton,Canvasbutton,Data},Args} -% {gs,GsObj,buttonpress,{canvasbutton,Canvasbutton,Data},Args} -% {gs,GsObj,buttonrelease,{canvasbutton,Canvasbutton,Data},Args} -% where GsObj and Args are a GS object and its Args field, respectively. -% -% Note that press/1 and release/1 has to be called explicitly to create -% the illusion of the button being pressed or released. -%---------------------------------------- -create(Canvas) -> - create(Canvas,[]). -create(Canvas,OptionList) -> - Options = sort_out_options(OptionList), - X = Options#cboptions.x, - Y = Options#cboptions.y, - W = Options#cboptions.width, - H = Options#cboptions.height, - - %% Buttons should have the same background color as the canvas - Bg = gs:read(Canvas,bc), - - %% Draw image - Image = create_image(Options#cboptions.imagefile,Canvas,Bg, - Options#cboptions.fg,X,Y,W,H), - - %% Draw upper left corner line - Ul = gs:create(line,Canvas,[{coords,[{X,Y+H},{X,Y},{X+W,Y}]}, - {fg,white},{width,2}]), - - %% Draw lower right corner line - Ll = gs:create(line,Canvas,[{coords,[{X,Y+H},{X+W,Y+H},{X+W,Y}]}, - {fg,?gray},{width,2}]), - - - %% Draw a rectangle around all (for event catching when width and - %% height of button is larger than image) - Rect = gs:create(rectangle,Canvas,[{coords,[{X,Y},{X+W,Y+H}]}, - {fill,Bg}, - {buttonpress,true}, - {buttonrelease,true}, - {enter,true},{leave,true}]), - - %% Now the canvas button is created - Canvasbutton = #canvasbutton{image=Image,rect=Rect,ul=Ul,ll=Ll}, - - Data = Options#cboptions.data, - gs:config(Rect,{data,{canvasbutton,Canvasbutton,Data}}), - gs:config(Image,{data,{canvasbutton,Canvasbutton,Data}}), - gs:config(Rect,lower), - gs:config(Image,raise), - - Canvasbutton. - -%---------------------------------------- -% read(Canvasbutton,coords) => [{L,T},{R,B}] -% Canvasbutton - canvasbutton() -% Read a Canvasbutton's coordinates -%---------------------------------------- -read(Canvasbutton,coords) -> - gs:read(Canvasbutton#canvasbutton.rect,coords). - -%---------------------------------------- -% press(Canvasbutton) -% Canvasbutton - canvasbutton() -% Create the illusion that Canvasbutton is pressed -%---------------------------------------- -press(Canvasbutton) -> - gs:config(Canvasbutton#canvasbutton.ul,{fg,?gray}), - gs:config(Canvasbutton#canvasbutton.ll,{fg,white}), - case Canvasbutton#canvasbutton.image of - noimage -> - ignore; - Image -> - gs:config(Image,{move,{-1,-1}}) - end. - -%---------------------------------------- -% release(Canvasbutton) -% Canvasbutton - canvasbutton() -% Create the illusion that Canvasbutton is released -%---------------------------------------- -release(Canvasbutton) -> - gs:config(Canvasbutton#canvasbutton.ul,{fg,white}), - gs:config(Canvasbutton#canvasbutton.ll,{fg,?gray}), - case Canvasbutton#canvasbutton.image of - noimage -> - ignore; - Image -> - gs:config(Image,{move,{1,1}}) - end. - - -%%% Internal functions %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% - -%---------------------------------------- -% create_image(ImageFile,Canvas,Bg,Fg,X,Y,W,H) => Image -% ImageFile - string() Image file, must exist and be a bitmap file ending -% with .xbm or a GIF file ending with .gif. -% Canvas - GS canvas object -% Bg - atom() Background color (bitmaps only) -% Fg - atom() Foreground color (bitmaps only) -% X, Y - int() X and Y coordinates for Image relative to Canvas -% W, H - int() Width and height of Image -% Image - GS canvas image object -%---------------------------------------- -create_image(nofile,_,_,_,_,_,_,_) -> - noimage; -create_image(ImageFile,Canvas,Bg,Fg,X,Y,W,H) -> - case lists:last(string:tokens(ImageFile,".")) of - "xbm" -> - gs:create(image,Canvas, - [{bitmap,ImageFile}, - {bg,Bg},{fg,Fg}, - {anchor,c}, - {coords,[{X+1+W/2,Y+1+H/2}]}, - {buttonpress,true}, - {buttonrelease,true}, - {enter,true},{leave,true}]); - "gif" -> - gs:create(image,Canvas, - [{load_gif,ImageFile}, - {anchor,c}, - {coords,[{X+W/2,Y+H/2}]}, - {buttonpress,true}, - {buttonrelease,true}, - {enter,true},{leave,true}]) - end. - -%---------------------------------------- -% sort_out_options(OptionList) => cboptions() -% OptionList - see create/2 -% Insert members of option list into a cboptions record. -%---------------------------------------- -sort_out_options(OptionList) -> - sort_out_options(OptionList,#cboptions{}). - -%---------------------------------------- -% sort_out_options(OptionList,Options) => cboptions() -% OptionList - see create/2 -% Options - cboptions() -% Called by sort_out_options/1. -%---------------------------------------- -sort_out_options([{image,Image}|Rest],Options) -> - sort_out_options(Rest,Options#cboptions{imagefile=Image}); -sort_out_options([{x,X}|Rest],Options) -> - sort_out_options(Rest,Options#cboptions{x=X}); -sort_out_options([{y,Y}|Rest],Options) -> - sort_out_options(Rest,Options#cboptions{y=Y}); -sort_out_options([{width,Width}|Rest],Options) -> - sort_out_options(Rest,Options#cboptions{width=Width}); -sort_out_options([{height,Height}|Rest],Options) -> - sort_out_options(Rest,Options#cboptions{height=Height}); -sort_out_options([{fg,Fg}|Rest],Options) -> - sort_out_options(Rest,Options#cboptions{fg=Fg}); -sort_out_options([{data,Data}|Rest],Options) -> - sort_out_options(Rest,Options#cboptions{data=Data}); -sort_out_options([],Options) -> - Options. |