sync code with last improvements from OpenBSD
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502
app/fvwm/modules/FvwmWinList/ButtonArray.c
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502
app/fvwm/modules/FvwmWinList/ButtonArray.c
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@ -0,0 +1,502 @@
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/* FvwmWinList Module for Fvwm.
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*
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* Copyright 1994, Mike Finger (mfinger@mermaid.micro.umn.edu or
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* Mike_Finger@atk.com)
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*
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* The functions in this source file that are the original work of Mike Finger.
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*
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* No guarantees or warantees or anything are provided or implied in any way
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* whatsoever. Use this program at your own risk. Permission to use this
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* program for any purpose is given, as long as the copyright is kept intact.
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*
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* Things to do: Convert to C++ (In Progress)
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*/
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#include "config.h"
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#include <stdlib.h>
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#include <stdio.h>
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#include <X11/Xlib.h>
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#include <X11/Xproto.h>
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#include "../../libs/fvwmlib.h"
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#include "FvwmWinList.h"
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#include "ButtonArray.h"
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#include "Mallocs.h"
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extern XFontStruct *ButtonFont;
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extern Display *dpy;
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extern Window win;
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extern GC shadow[MAX_COLOUR_SETS],hilite[MAX_COLOUR_SETS];
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extern GC graph[MAX_COLOUR_SETS],background[MAX_COLOUR_SETS];
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extern int LeftJustify, TruncateLeft, ShowFocus;
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extern long CurrentDesk;
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extern int ShowCurrentDesk;
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/*************************************************************************
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* *
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* Button handling functions and procedures *
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* *
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*************************************************************************/
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/* -------------------------------------------------------------------------
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ButtonNew - Allocates and fills a new button structure
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------------------------------------------------------------------------- */
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Button *ButtonNew(char *title, FvwmPicture *p, int up)
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{
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Button *new;
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new = (Button *)safemalloc(sizeof(Button));
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new->title = safemalloc(strlen(title)+1);
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strcpy(new->title, title);
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if (p != NULL)
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{
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new->p.picture = p->picture;
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new->p.mask = p->mask;
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new->p.width = p->width;
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new->p.height = p->height;
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new->p.depth = p->depth;
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}
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else
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new->p.picture = 0;
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new->up = up;
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new->next = NULL;
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new->needsupdate = 1;
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return new;
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}
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/******************************************************************************
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InitArray - Initialize the arrary of buttons
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******************************************************************************/
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void InitArray(ButtonArray *array,int x,int y,int w,int h)
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{
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array->count=0;
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array->head=array->tail=NULL;
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array->x=x;
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array->y=y;
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array->w=w;
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array->h=h;
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}
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/******************************************************************************
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UpdateArray - Update the array specifics. x,y, width, height
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******************************************************************************/
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void UpdateArray(ButtonArray *array,int x,int y,int w, int h)
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{
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Button *temp;
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if (x!=-1) array->x=x;
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if (y!=-1) array->y=y;
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if (w!=-1) array->w=w;
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if (h!=-1) array->h=h;
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for(temp=array->head;temp!=NULL;temp=temp->next) temp->needsupdate=1;
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}
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/******************************************************************************
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AddButton - Allocate space for and add the button to the bottom
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******************************************************************************/
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int AddButton(ButtonArray *array, char *title, FvwmPicture *p, int up)
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{
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Button *new;
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new = ButtonNew(title, p, up);
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if (array->head == NULL)
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{
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array->head = array->tail = new;
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}
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else
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{
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array->tail->next = new;
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array->tail = new;
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}
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array->count++;
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/* in Taskbar this replaces below ArrangeButtonArray (array);
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*/
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new->tw=XTextWidth(ButtonFont,title,strlen(title));
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new->truncatewidth=0;
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new->next=NULL;
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new->needsupdate=1;
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new->set=0;
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return (array->count-1);
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}
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/******************************************************************************
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UpdateButton - Change the name/stae of a button
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******************************************************************************/
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int UpdateButton(ButtonArray *array, int butnum, char *title, int up)
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{
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Button *temp;
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temp=find_n(array,butnum);
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if (temp!=NULL)
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{
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if (title!=NULL)
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{
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temp->title=(char *)saferealloc(temp->title,strlen(title)+1);
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strcpy(temp->title,title);
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temp->tw=XTextWidth(ButtonFont,title,strlen(title));
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temp->truncatewidth = 0;
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}
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if (up!=-1) temp->up=up;
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} else return -1;
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temp->needsupdate=1;
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return 1;
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}
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/* -------------------------------------------------------------------------
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UpdateButtonPicture - Change the picture of a button
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------------------------------------------------------------------------- */
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int UpdateButtonPicture(ButtonArray *array, int butnum, FvwmPicture *p)
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{
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Button *temp;
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temp=find_n(array,butnum);
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if (temp == NULL) return -1;
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if (temp->p.picture != p->picture || temp->p.mask != p->mask)
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{
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temp->p.picture = p->picture;
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temp->p.mask = p->mask;
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temp->p.width = p->width;
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temp->p.height = p->height;
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temp->p.depth = p->depth;
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temp->needsupdate = 1;
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}
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return 1;
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}
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/******************************************************************************
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UpdateButtonSet - Change colour set of a button between odd and even
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******************************************************************************/
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int UpdateButtonSet(ButtonArray *array, int butnum, int set)
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{
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Button *btn;
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btn=find_n(array, butnum);
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if (btn != NULL)
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{
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if ((btn->set & 1) != set)
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{
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btn->set = (btn->set & 2) | set;
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btn->needsupdate = 1;
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}
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} else return -1;
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return 1;
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}
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/******************************************************************************
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UpdateButtonDesk - Change desk of a button
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******************************************************************************/
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int UpdateButtonDesk(ButtonArray *array, int butnum, long desk )
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{
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Button *btn;
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btn = find_n(array, butnum);
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if (btn != NULL)
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{
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btn->desk = desk;
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} else return -1;
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return 1;
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}
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/******************************************************************************
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RemoveButton - Delete a button from the list
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******************************************************************************/
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void RemoveButton(ButtonArray *array, int butnum)
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{
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Button *temp,*temp2;
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if (butnum==0)
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{
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temp2=array->head;
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temp=array->head=array->head->next;
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}
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else
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{
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temp=find_n(array,butnum-1);
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if (temp==NULL) return;
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temp2=temp->next;
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temp->next=temp2->next;
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}
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if (array->tail==temp2) array->tail=temp;
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FreeButton(temp2);
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if (temp!=array->head) temp=temp->next;
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for(;temp!=NULL;temp=temp->next) temp->needsupdate=1;
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}
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/******************************************************************************
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find_n - Find the nth button in the list (Use internally)
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******************************************************************************/
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Button *find_n(ButtonArray *array, int n)
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{
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Button *temp;
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int i;
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temp=array->head;
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for(i=0;i<n && temp!=NULL;i++,temp=temp->next);
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return temp;
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}
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/******************************************************************************
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FreeButton - Free space allocated to a button
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******************************************************************************/
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void FreeButton(Button *ptr)
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{
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if (ptr != NULL) {
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if (ptr->title!=NULL) free(ptr->title);
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free(ptr);
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}
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}
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/******************************************************************************
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FreeAllButtons - Free the whole array of buttons
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******************************************************************************/
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void FreeAllButtons(ButtonArray *array)
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{
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Button *temp,*temp2;
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for(temp=array->head;temp!=NULL;)
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{
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temp2=temp;
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temp=temp->next;
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FreeButton(temp2);
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}
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}
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/******************************************************************************
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DoButton - Draw the specified button. (Used internally)
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******************************************************************************/
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void DoButton(Button *button, int x, int y, int w, int h)
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{
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int up,Fontheight,newx,set;
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GC topgc;
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GC bottomgc;
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char *string;
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XGCValues gcv;
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unsigned long gcm;
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XFontStruct *font;
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up=button->up;
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set=button->set;
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topgc = up ? hilite[set] : shadow[set];
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bottomgc = up ? shadow[set] : hilite[set];
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font = ButtonFont;
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gcm = GCFont;
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gcv.font = font->fid;
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XChangeGC(dpy, graph[set], gcm, &gcv);
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Fontheight=ButtonFont->ascent+ButtonFont->descent;
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/*? XClearArea(dpy,win,x,y,w,h,False);*/
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XFillRectangle(dpy,win,background[set],x,y,w,h+1);
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if ((button->p.picture != 0)/* &&
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(w + button->p.width + w3p + 3 > MIN_BUTTON_SIZE)*/) {
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gcm = GCClipMask|GCClipXOrigin|GCClipYOrigin;
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gcv.clip_mask = button->p.mask;
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gcv.clip_x_origin = x + 4;
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gcv.clip_y_origin = y + ((h-button->p.height) >> 1);
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XChangeGC(dpy, hilite[set], gcm, &gcv);
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XCopyArea(dpy, button->p.picture, win, hilite[set], 0, 0,
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button->p.width, button->p.height,
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gcv.clip_x_origin, gcv.clip_y_origin);
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gcm = GCClipMask;
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gcv.clip_mask = None;
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XChangeGC(dpy, hilite[set], gcm, &gcv);
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newx = button->p.width+6;
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}
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else
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{
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if (LeftJustify)
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newx=4;
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else
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newx=max((w-button->tw)/2,4);
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}
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string=button->title;
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if (!LeftJustify) {
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if (TruncateLeft && (w-button->tw)/2 < 4) {
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if (button->truncatewidth == w)
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string=button->truncate_title;
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else {
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string=button->title;
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while(*string && (w-XTextWidth(ButtonFont,string,strlen(string)))/2 < 4)
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string++;
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button->truncatewidth = w;
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button->truncate_title=string;
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}
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}
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}
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XDrawString(dpy,win,graph[set],x+newx,y+3+ButtonFont->ascent,string,strlen(string));
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button->needsupdate=0;
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/* Draw relief last, don't forget that XDrawLine doesn't do the last pixel */
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XDrawLine(dpy,win,topgc,x,y,x+w-1,y);
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XDrawLine(dpy,win,topgc,x+1,y+1,x+w-2,y+1);
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XDrawLine(dpy,win,topgc,x,y+1,x,y+h+1);
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XDrawLine(dpy,win,topgc,x+1,y+2,x+1,y+h);
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XDrawLine(dpy,win,bottomgc,x+1,y+h,x+w,y+h);
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XDrawLine(dpy,win,bottomgc,x+2,y+h-1,x+w-1,y+h-1);
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XDrawLine(dpy,win,bottomgc,x+w-1,y,x+w-1,y+h);
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XDrawLine(dpy,win,bottomgc,x+w-2,y+1,x+w-2,y+h-1);
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}
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/******************************************************************************
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DrawButtonArray - Draw the whole array (all=1), or only those that need.
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******************************************************************************/
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void DrawButtonArray(ButtonArray *barray, int all)
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{
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Button *btn;
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int i = 0; /* buttons displayed */
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for(btn = barray->head; btn != NULL; btn = btn->next)
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{
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if((!ShowCurrentDesk) || ( btn->desk == CurrentDesk ) )
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{
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if (btn->needsupdate || all)
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{
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DoButton
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(
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btn,barray->x,
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barray->y+(i*(barray->h+1)),
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barray->w,barray->h
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);
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}
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i++;
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}
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}
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}
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/******************************************************************************
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SwitchButton - Alternate the state of a button
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******************************************************************************/
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void SwitchButton(ButtonArray *array, int butnum)
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{
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Button *btn;
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btn = find_n(array, butnum);
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btn->up =!btn->up;
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btn->needsupdate=1;
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DrawButtonArray(array, 0);
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}
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/* -------------------------------------------------------------------------
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RadioButton - Enable button i and verify all others are disabled
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------------------------------------------------------------------------- */
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void RadioButton(ButtonArray *array, int butnum)
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{
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Button *temp;
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int i;
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for(temp=array->head,i=0; temp!=NULL; temp=temp->next,i++)
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{
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if (i == butnum)
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{
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if (ShowFocus && temp->up)
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{
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temp->up = 0;
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temp->needsupdate=1;
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}
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if (!(temp->set & 2))
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{
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temp->set |= 2;
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temp->needsupdate=1;
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}
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}
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else
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{
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if (ShowFocus && !temp->up)
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{
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temp->up = 1;
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temp->needsupdate = 1;
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}
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if (temp->set & 2)
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{
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temp->set &= 1;
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temp->needsupdate = 1;
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}
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}
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}
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}
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/******************************************************************************
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WhichButton - Based on x,y which button was pressed
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******************************************************************************/
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int WhichButton(ButtonArray *array,int x, int y)
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{
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int num;
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num=y/(array->h+1);
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if (x<array->x || x>array->x+array->w || num<0 || num>array->count-1) num=-1;
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/* Current Desk Hack */
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if(ShowCurrentDesk)
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{
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Button *temp;
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int i, n;
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temp=array->head;
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for(i=0, n = 0;n < (num + 1) && temp != NULL;temp=temp->next, i++)
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{
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if(temp->desk == CurrentDesk)
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n++;
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}
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num = i-1;
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}
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return(num);
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}
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/******************************************************************************
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ButtonName - Return the name of the button
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******************************************************************************/
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char *ButtonName(ButtonArray *array, int butnum)
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{
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Button *temp;
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temp=find_n(array,butnum);
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return temp->title;
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}
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/******************************************************************************
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PrintButtons - Print the array of button names to the console. (Debugging)
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******************************************************************************/
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void PrintButtons(ButtonArray *array)
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{
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Button *temp;
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ConsoleMessage("List of Buttons:\n");
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for(temp=array->head;temp!=NULL;temp=temp->next)
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ConsoleMessage(" %s is %s\n",temp->title,(temp->up) ? "Up":"Down");
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}
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#if 0
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/******************************************************************************
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ButtonArrayMaxWidth - Calculate the width needed for the widest title
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******************************************************************************/
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int ButtonArrayMaxWidth(ButtonArray *array)
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{
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Button *temp;
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int x=0;
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for(temp=array->head;temp!=NULL;temp=temp->next)
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x=max(temp->tw,x);
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return x;
|
||||
}
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#endif
|
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