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clamp cursor_row between first/last rows

This commit is contained in:
Daniel Micay 2012-07-09 19:29:22 -04:00
parent 70da200dd9
commit 6d4f833f03
2 changed files with 14 additions and 5 deletions
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2
Makefile
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@ -10,7 +10,7 @@ CFLAGS := -std=c99 -O3 \
-Wshadow \
-Wformat=2 \
-Wmissing-declarations \
-Wstrict-overflow=5 \
-Wstrict-overflow=4 \
-Wcast-align \
-Wcast-qual \
-Wconversion \

17
termite.c
View File

@ -147,24 +147,33 @@ static void toggle_visual(VteTerminal *vte, select_info *select, select_mode mod
}
}
static long first_row(VteTerminal *vte) {
GtkAdjustment *adjust = gtk_scrollable_get_vadjustment(GTK_SCROLLABLE(vte));
double scroll_lower = gtk_adjustment_get_lower(adjust);
return (long)scroll_lower;
}
static long last_row(VteTerminal *vte) {
GtkAdjustment *adjust = gtk_scrollable_get_vadjustment(GTK_SCROLLABLE(vte));
double scroll_upper = gtk_adjustment_get_upper(adjust);
return (long)scroll_upper - 1;
}
static void move(VteTerminal *vte, select_info *select, long col, long row) {
GtkAdjustment *adjust = gtk_scrollable_get_vadjustment(GTK_SCROLLABLE(vte));
double scroll_row = gtk_adjustment_get_value(adjust);
long n_rows = vte_terminal_get_row_count(vte);
const long end_col = vte_terminal_get_column_count(vte) - 1;
/*const long end_row = vte_terminal_get_row_count(vte) - 1;*/
select->cursor_col = CLAMP(select->cursor_col + col, 0, end_col);
select->cursor_row = MAX(select->cursor_row + row, 0);
/*select->cursor_row = CLAMP(select->cursor_row + row, 0, end_row);*/
select->cursor_row = CLAMP(select->cursor_row + row, first_row(vte), last_row(vte));
if (select->cursor_row < scroll_row) {
gtk_adjustment_set_value(adjust, (double)select->cursor_row);
} else if (select->cursor_row - n_rows >= (long)scroll_row) {
gtk_adjustment_set_value(adjust, (double)(select->cursor_row - n_rows + 1));
}
update_selection(vte, select);
}