319 lines
8.0 KiB
C
319 lines
8.0 KiB
C
#include "edUtils.h"
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#include "select.h"
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#include "Sheet.h"
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#include "tagUtils.h"
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#include <X11/Xatom.h>
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#include <stdio.h>
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extern enum States {StateDown=0,StateUp} editorState;
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/* ----- private subroutines ----- */
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#define left_margin 4
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#define top_margin 4
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static void draw_select(EdStruct *xx, int seq, int from_pos, int to_pos)
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{
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int *seqList;
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int s_from,s_to;
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int temp;
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int screenRow;
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/* sort from_pos, to_pos */
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if (from_pos > to_pos) { temp = from_pos; from_pos = to_pos; to_pos = temp; }
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/* clip to screen */
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s_from = positionInContig(xx,seq,from_pos) - xx->displayPos;
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if (s_from>=xx->displayWidth) return;
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if (s_from<0) s_from=0;
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s_to = positionInContig(xx,seq,to_pos) - xx->displayPos;
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if (s_to<0) return;
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if (s_to>=xx->displayWidth) s_to = xx->displayWidth-1;
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seqList = sequencesOnScreen(xx,xx->displayPos, xx->displayWidth);
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for(screenRow=0;
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screenRow<xx->displayHeight && seqList[screenRow] != seq;
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screenRow++);
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if (screenRow==xx->displayHeight) return;
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XawSheetOpHilightText(xx->sequencesWid,s_from,screenRow+xx->rulerDisplayed,s_to-s_from+1,sh_select,HOP_TOG);
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}
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static void undoSelection(EdStruct *xx)
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{
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redisplaySelection(xx);
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xx->select_made = 0;
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}
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static void lose_ownership_proc(Widget w, Atom *sel)
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{
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EdStruct *xx = widgetToEdStruct(XtParent(w));
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undoSelection(xx);
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}
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static Boolean convert_proc(
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Widget w,
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Atom *selection,
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Atom *target,
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Atom *type_return,
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XtPointer *value_return,
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unsigned long *length_return,
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int *format_return)
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{
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EdStruct *xx = widgetToEdStruct(XtParent(w));
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int temp;
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if (*target == XA_STRING ) {
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int start_pos,end_pos;
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start_pos = xx->select_start_pos;
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end_pos = xx->select_end_pos;
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if (start_pos > end_pos) {
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temp = start_pos;
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start_pos = end_pos;
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end_pos = temp;
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}
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*length_return = end_pos - start_pos;
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*value_return = XtMalloc(*length_return+1);
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if (xx->select_seq == 0)
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DBcalcConsensus(xx,start_pos,*length_return,*value_return,BOTH_STRANDS);
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else
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DBgetSequence(xx,xx->select_seq,start_pos-1,*length_return,*value_return);
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*type_return = XA_STRING;
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*format_return = 8;
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return (TRUE);
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}
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return (FALSE);
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}
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/* ----- exported subroutines ----- */
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void start_highlight (Widget w, XButtonEvent *event, String *params,
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Cardinal *num_params)
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{
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EdStruct *xx = widgetToEdStruct(XtParent(w));
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int x,y;
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int *seqList;
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if (editorState == StateDown) return;
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if (xx->select_made) undoSelection(xx);
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xx->select_made = 1;
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x = (event->x-left_margin) / xx->fontWidth;
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y = (event->y-top_margin) / xx->fontHeight - xx->rulerDisplayed;
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if (y<0) y=0;
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if (y>=xx->displayHeight) y=xx->displayHeight-1;
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if (x<0) x=0;
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if (x>=xx->displayWidth) x=xx->displayWidth-1;
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seqList = sequencesOnScreen(xx,xx->displayPos,xx->displayWidth);
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xx->select_seq= seqList[y];
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xx->select_start_pos = xx->displayPos - DBgetRelPos(xx,xx->select_seq) + x + 1;
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if (xx->select_start_pos<1)
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xx->select_start_pos = 1;
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else
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if (xx->select_start_pos > DBgetLength(xx,xx->select_seq)+1)
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xx->select_start_pos = DBgetLength(xx,xx->select_seq)+1;
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xx->select_end_pos = xx->select_start_pos;
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xx->select_tag = NULL;
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}
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void make_selection (Widget w, XButtonEvent *event, String *params,
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Cardinal *num_params)
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{
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EdStruct *xx = widgetToEdStruct(XtParent(w));
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if (XtOwnSelection(w,XA_PRIMARY,event->time,convert_proc,
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lose_ownership_proc, NULL) == FALSE) {
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XtWarning("Editor: failed to become selection owner; make a new selection.\n");
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undoSelection(xx);
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}
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}
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void disown_selection(EdStruct *xx)
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{
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if (xx->select_made)
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XtDisownSelection(xx->sequencesWid,XA_PRIMARY,CurrentTime);
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xx->select_made = 0;
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}
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void extend_highlight (Widget w, XButtonEvent *event, String *params,
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Cardinal *num_params)
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{
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EdStruct *xx = widgetToEdStruct(XtParent(w));
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int pos;
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int x;
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if ( ! xx->select_made) return;
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x = (event->x-left_margin) / xx->fontWidth;
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if (x<0) x=0;
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if (x>=xx->displayWidth) x=xx->displayWidth-1;
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pos = xx->displayPos - DBgetRelPos(xx,xx->select_seq) + x + 1;
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if (pos<1)
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pos = 1;
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else
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if (pos > DBgetLength(xx,xx->select_seq)+1)
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pos = DBgetLength(xx,xx->select_seq)+1;
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if (pos == xx->select_end_pos) return;
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if (xx->select_start_pos < xx->select_end_pos) {
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if (xx->select_end_pos < pos)
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draw_select(xx, xx->select_seq, xx->select_end_pos,pos-1);
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else
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draw_select(xx, xx->select_seq, pos,xx->select_end_pos-1);
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} else {
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if (xx->select_end_pos > pos)
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draw_select(xx, xx->select_seq, pos,xx->select_end_pos-1);
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else
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draw_select(xx, xx->select_seq, xx->select_end_pos,pos-1);
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}
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xx->select_end_pos = pos;
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}
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void redisplaySelection(EdStruct *xx)
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{
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if (!xx->select_made) return;
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if (xx->select_start_pos == xx->select_end_pos) ;
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else if (xx->select_start_pos < xx->select_end_pos) {
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draw_select(xx, xx->select_seq, xx->select_start_pos,xx->select_end_pos-1);
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} else {
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draw_select(xx, xx->select_seq, xx->select_end_pos,xx->select_start_pos-1);
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}
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}
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int getSelection(EdStruct *xx, int *seq, int *start, int *length, tagStruct **t)
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{
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if (! xx->select_made) return 0;
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if (xx->select_start_pos <= xx->select_end_pos) {
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*seq = xx->select_seq;
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*start = xx->select_start_pos;
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*length = xx->select_end_pos - xx->select_start_pos;
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*t = xx->select_tag;
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} else {
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*seq = xx->select_seq;
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*start = xx->select_end_pos;
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*length = xx->select_start_pos - xx->select_end_pos;
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*t = xx->select_tag;
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}
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return 1;
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}
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void _select_tag(EdStruct *xx, int seq, tagStruct *t)
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{
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XButtonEvent event;
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if (t==NULL) return;
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if (xx->select_made) undoSelection(xx);
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xx->select_made = 1;
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xx->select_seq = seq;
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xx->select_start_pos = normalisePos(xx,seq,t->tagrec.position,t->tagrec.length);
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xx->select_end_pos = xx->select_start_pos + t->tagrec.length;
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xx->select_tag = t;
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redisplaySelection(xx);
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event.time = CurrentTime;
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make_selection (xx->sequencesWid, &event, NULL, 0);
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}
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void select_tag(Widget w, XButtonEvent *event, String *params,
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Cardinal *num_params)
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{
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EdStruct *xx = widgetToEdStruct(XtParent(w));
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int x,y;
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int *seqList;
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int seq,pos;
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tagStruct *t;
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x = (event->x-left_margin) / xx->fontWidth;
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y = (event->y-top_margin) / xx->fontHeight - xx->rulerDisplayed;
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if (y<0) y=0;
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if (y>=xx->displayHeight) y=xx->displayHeight-1;
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if (x<0) x=0;
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if (x>=xx->displayWidth) x=xx->displayWidth-1;
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seqList = sequencesOnScreen(xx,xx->displayPos,xx->displayWidth);
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seq = seqList[y];
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pos = xx->displayPos - DBgetRelPos(xx,seq) + x + 1;
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if ( (t=findTag(xx,seq,pos)) != NULL) {
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if (xx->select_made) undoSelection(xx);
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xx->select_made = 1;
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xx->select_seq = seq;
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xx->select_start_pos = normalisePos(xx,seq,t->tagrec.position,t->tagrec.length);
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xx->select_end_pos = xx->select_start_pos + t->tagrec.length;
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xx->select_tag = t;
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redisplaySelection(xx);
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make_selection (w, event, NULL, 0);
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}
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}
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void selectInsertBase(EdStruct *xx, int seq, int pos)
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/*
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** Adjust selection on insertion
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*/
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{
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if (xx->select_made && xx->select_seq==seq) {
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int inverted=(xx->select_end_pos < xx->select_start_pos);
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int start,end;
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if (inverted) {
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start=xx->select_end_pos;
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end =xx->select_start_pos;
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} else {
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end =xx->select_end_pos;
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start=xx->select_start_pos;
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}
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if (pos <= start) {
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xx->select_start_pos++;
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xx->select_end_pos++;
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} else if (pos < end) {
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if (inverted)
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xx->select_start_pos++;
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else
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xx->select_end_pos++;
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}
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}
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}
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void selectDeleteBase(EdStruct *xx, int seq, int pos)
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/*
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** Adjust selection on deletion
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*/
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{
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if (xx->select_made && xx->select_seq==seq) {
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int inverted=(xx->select_end_pos < xx->select_start_pos);
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int start,end;
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if (inverted) {
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start=xx->select_end_pos;
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end =xx->select_start_pos;
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} else {
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end =xx->select_end_pos;
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start=xx->select_start_pos;
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}
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if (pos < start) {
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xx->select_start_pos--;
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xx->select_end_pos--;
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} else if (pos < end) {
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if (inverted)
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xx->select_start_pos--;
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else
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xx->select_end_pos--;
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}
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}
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}
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