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Panel: rework hight logic 

The hight of a Panel dpends on whether the Panel has a header or not.
Also the header migth not be set on Panel creation, like in the
MainPanel. This currently causes the cursor to get hidden behind the
FunctionBar on down-scrolling.
This commit is contained in:
Christian Göttsche 2021-01-01 22:06:26 +01:00 committed by cgzones
parent eb6f8d569d
commit 24c5ca9ddf
2 changed files with 18 additions and 21 deletions
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37
Panel.c
View File

@ -92,10 +92,6 @@ void Panel_move(Panel* this, int x, int y) {
void Panel_resize(Panel* this, int w, int h) {
assert (this != NULL);
if (RichString_sizeVal(this->header) > 0) {
h--;
}
this->w = w;
this->h = h;
this->needsRedraw = true;
@ -240,6 +236,7 @@ void Panel_draw(Panel* this, bool force_redraw, bool focus, bool highlightSelect
}
attrset(CRT_colors[RESET_COLOR]);
y++;
h--;
}
// ensure scroll area is on screen
@ -333,13 +330,21 @@ void Panel_draw(Panel* this, bool force_redraw, bool focus, bool highlightSelect
move(0, 0);
}
static int Panel_headerHeight(const Panel* this) {
return RichString_sizeVal(this->header) > 0 ? 1 : 0;
}
bool Panel_onKey(Panel* this, int key) {
assert (this != NULL);
int size = Vector_size(this->items);
const int size = Vector_size(this->items);
#define CLAMP_INDEX(var, delta, min, max) \
CLAMP((var) + (delta), (min), MAXIMUM(0, (max)))
#define PANEL_SCROLL(amount) \
do { \
this->selected += (amount); \
this->scrollV = CLAMP(this->scrollV + (amount), 0, MAXIMUM(0, (size - this->h - Panel_headerHeight(this)))); \
this->needsRedraw = true; \
} while (0)
switch (key) {
case KEY_DOWN:
@ -373,27 +378,19 @@ bool Panel_onKey(Panel* this, int key) {
break;
case KEY_PPAGE:
this->selected -= (this->h - 1);
this->scrollV = CLAMP_INDEX(this->scrollV, -(this->h - 1), 0, size - this->h);
this->needsRedraw = true;
PANEL_SCROLL(-(this->h - Panel_headerHeight(this)));
break;
case KEY_NPAGE:
this->selected += (this->h - 1);
this->scrollV = CLAMP_INDEX(this->scrollV, +(this->h - 1), 0, size - this->h);
this->needsRedraw = true;
PANEL_SCROLL(+(this->h - Panel_headerHeight(this)));
break;
case KEY_WHEELUP:
this->selected -= CRT_scrollWheelVAmount;
this->scrollV = CLAMP_INDEX(this->scrollV, -CRT_scrollWheelVAmount, 0, size - this->h);
this->needsRedraw = true;
PANEL_SCROLL(-CRT_scrollWheelVAmount);
break;
case KEY_WHEELDOWN:
this->selected += CRT_scrollWheelVAmount;
this->scrollV = CLAMP_INDEX(this->scrollV, +CRT_scrollWheelVAmount, 0, size - this->h);
this->needsRedraw = true;
PANEL_SCROLL(+CRT_scrollWheelVAmount);
break;
case KEY_HOME:
@ -418,7 +415,7 @@ bool Panel_onKey(Panel* this, int key) {
return false;
}
#undef CLAMP_INDEX
#undef PANEL_SCROLL
// ensure selection within bounds
if (this->selected < 0 || size == 0) {

2
ScreenManager.c
View File

@ -124,7 +124,7 @@ static void ScreenManager_drawPanels(ScreenManager* this, int focus, bool force_
for (int i = 0; i < nPanels; i++) {
Panel* panel = (Panel*) Vector_get(this->panels, i);
Panel_draw(panel, force_redraw, i == focus, !((panel == this->state->panel) && this->state->hideProcessSelection));
mvvline(panel->y, panel->x + panel->w, ' ', panel->h + 1);
mvvline(panel->y, panel->x + panel->w, ' ', panel->h);
}
}