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Add shift-{left,right} for single-line scrolling

master
Curtis McEnroe 2018-08-11 22:46:28 -04:00
parent 24ca3aed81
commit 0dfeb3df84
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GPG Key ID: CEA2F97ADCFCD77C
1 changed files with 13 additions and 5 deletions
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18
ui.c
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@ -358,16 +358,22 @@ void uiFmt(struct Tag tag, const wchar_t *format, ...) {
free(wcs); free(wcs);
} }
static void logPageUp(void) { static void logScrollUp(int lines) {
int height = logHeight(ui.view); int height = logHeight(ui.view);
if (ui.view->scroll == height) return; if (ui.view->scroll == height) return;
if (ui.view->scroll == LOG_LINES) ui.view->mark = true; if (ui.view->scroll == LOG_LINES) ui.view->mark = true;
ui.view->scroll = MAX(ui.view->scroll - height / 2, height); ui.view->scroll = MAX(ui.view->scroll - lines, height);
}
static void logScrollDown(int lines) {
if (ui.view->scroll == LOG_LINES) return;
ui.view->scroll = MIN(ui.view->scroll + lines, LOG_LINES);
if (ui.view->scroll == LOG_LINES) ui.view->mark = false;
}
static void logPageUp(void) {
logScrollUp(logHeight(ui.view) / 2);
} }
static void logPageDown(void) { static void logPageDown(void) {
if (ui.view->scroll == LOG_LINES) return; logScrollDown(logHeight(ui.view) / 2);
ui.view->scroll = MIN(ui.view->scroll + logHeight(ui.view) / 2, LOG_LINES);
if (ui.view->scroll == LOG_LINES) ui.view->mark = false;
} }
static bool keyChar(wchar_t ch) { static bool keyChar(wchar_t ch) {
@ -439,6 +445,8 @@ static bool keyChar(wchar_t ch) {
static bool keyCode(wchar_t ch) { static bool keyCode(wchar_t ch) {
switch (ch) { switch (ch) {
break; case KEY_RESIZE: uiResize(); return false; break; case KEY_RESIZE: uiResize(); return false;
break; case KEY_SLEFT: logScrollUp(1); return false;
break; case KEY_SRIGHT: logScrollDown(1); return false;
break; case KEY_PPAGE: logPageUp(); return false; break; case KEY_PPAGE: logPageUp(); return false;
break; case KEY_NPAGE: logPageDown(); return false; break; case KEY_NPAGE: logPageDown(); return false;
break; case KEY_LEFT: edit(ui.view->tag, EDIT_LEFT, 0); break; case KEY_LEFT: edit(ui.view->tag, EDIT_LEFT, 0);