105 lines
1.9 KiB
R
105 lines
1.9 KiB
R
#include "color.h"
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#include "qwaq-editor.h"
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@implementation Editor
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-initWithRect:(Rect) rect file:(string) filename
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{
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if (!(self = [super initWithRect: rect])) {
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return nil;
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}
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buffer = [[EditBuffer alloc] initWithFile: filename];
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line_count = [buffer countLines: {0, [buffer textSize]}];
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linebuffer = [DrawBuffer buffer: { xlen, 1 }];
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growMode = gfGrowHi;
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return self;
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}
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-draw
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{
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[super draw];
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unsigned lind = base_index;
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int *lbuf = [linebuffer buffer];
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for (int y = 0; y < ylen; y++) {
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lind = [buffer formatLine:lind from:x_index into:lbuf width:xlen
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highlight:selection colors: {COLOR_PAIR (1), COLOR_PAIR(2)}];
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[textContext blitFromBuffer: linebuffer to: {xpos, ypos + y}
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from: [linebuffer rect]];
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}
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return self;
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}
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-resize: (Extent) delta
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{
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[super resize: delta];
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[linebuffer resizeTo: {xlen, 1}];
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return self;
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}
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-handleEvent:(qwaq_event_t *) event
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{
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if (event.what & qe_mouse) {
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if (event.what == qe_mouseclick) {
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if (event.mouse.buttons & (1 << 3)) {
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[self scrollUp: 1];
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}
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if (event.mouse.buttons & (1 << 4)) {
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[self scrollDown: 1];
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}
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if (event.mouse.buttons & (1 << 5)) {
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[self scrollLeft: 1];
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}
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if (event.mouse.buttons & (1 << 6)) {
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[self scrollRight: 1];
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}
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}
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}
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return self;
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}
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-scrollUp:(unsigned) count
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{
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if (count == 1) {
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base_index = [buffer prevLine: base_index];
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} else {
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base_index = [buffer prevLine: base_index :count];
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}
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[self redraw];
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return self;
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}
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-scrollDown:(unsigned) count
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{
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if (count == 1) {
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base_index = [buffer nextLine: base_index];
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} else {
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base_index = [buffer nextLine: base_index :count];
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}
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[self redraw];
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return self;
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}
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-scrollLeft:(unsigned) count
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{
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if (x_index > count) {
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x_index -= count;
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} else {
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x_index = 0;
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}
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[self redraw];
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return self;
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}
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-scrollRight:(unsigned) count
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{
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if (1024 - x_index > count) {
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x_index += count;
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} else {
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x_index = 1024;
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}
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[self redraw];
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return self;
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}
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@end
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