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(svn r14964) -Codechange: hide the length of a patch page behind a function (Alberth)

This commit is contained in:
rubidium 2009-01-10 16:44:51 +00:00
parent 6a359a586b
commit 1fbc41f1fd
1 changed files with 33 additions and 5 deletions
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38
src/settings_gui.cpp
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@ -633,6 +633,8 @@ struct PatchEntry {
void Init(byte level, bool last_field);
void SetButtons(byte new_val);
uint Length() const;
};
/** Data structure describing one page of patches in the patch settings window. */
@ -641,6 +643,8 @@ struct PatchPage {
byte num; ///< Number of entries on the page (statically filled).
void Init(byte level = 0);
uint Length() const;
};
@ -706,6 +710,20 @@ void PatchEntry::SetButtons(byte new_val)
this->flags = (this->flags & ~PEF_BUTTONS_MASK) | new_val;
}
/** Return numbers of rows needed to display the entry */
uint PatchEntry::Length() const
{
switch(this->flags & PEF_KIND_MASK) {
case PEF_SETTING_KIND:
return 1;
case PEF_SUBTREE_KIND:
if (this->d.sub.folded) return 1; // Only displaying the title
return 1 + this->d.sub.page->Length(); // 1 extra row for the title
default: NOT_REACHED();
}
}
/* == PatchPage methods == */
@ -720,6 +738,16 @@ void PatchPage::Init(byte level)
}
}
/** Return number of rows needed to display the whole page */
uint PatchPage::Length() const
{
uint length = 0;
for (uint field = 0; field < this->num; field++) {
length += this->entries[field].Length();
}
return length;
}
static PatchEntry _patches_ui[] = {
PatchEntry("gui.vehicle_speed"),
@ -909,7 +937,7 @@ struct PatchesSelectionWindow : Window {
this->clicked_entry = NULL; // No numeric patch setting buttons are depressed
this->vscroll.pos = 0;
this->vscroll.cap = (this->widget[PATCHSEL_OPTIONSPANEL].bottom - this->widget[PATCHSEL_OPTIONSPANEL].top - 8) / SETTING_HEIGHT;
SetVScrollCount(this, _patches_page[this->page].num);
SetVScrollCount(this, _patches_page[this->page].Length());
this->resize.step_height = SETTING_HEIGHT;
this->resize.height = this->height;
@ -930,7 +958,7 @@ struct PatchesSelectionWindow : Window {
int x = SETTINGTREE_LEFT_OFFSET;
int y = SETTINGTREE_TOP_OFFSET;
for (uint i = this->vscroll.pos; i != page->num && this->vscroll.pos + this->vscroll.cap - i > 0; i++) {
for (uint i = this->vscroll.pos; i != page->Length() && this->vscroll.pos + this->vscroll.cap - i > 0; i++) {
assert((page->entries[i].flags & PEF_KIND_MASK) == PEF_SETTING_KIND);
const SettingDesc *sd = page->entries[i].d.entry.setting;
int state = page->entries[i].flags & PEF_BUTTONS_MASK;
@ -998,7 +1026,7 @@ struct PatchesSelectionWindow : Window {
const PatchPage *page = &_patches_page[this->page];
if (btn >= page->num) return; // Clicked below the last setting of the page
if (btn >= page->Length()) return; // Clicked below the last setting of the page
assert((page->entries[btn].flags & PEF_KIND_MASK) == PEF_SETTING_KIND);
const SettingDesc *sd = page->entries[btn].d.entry.setting;
@ -1079,7 +1107,7 @@ struct PatchesSelectionWindow : Window {
this->RaiseWidget(this->page + PATCHSEL_INTERFACE);
this->page = widget - PATCHSEL_INTERFACE;
this->LowerWidget(this->page + PATCHSEL_INTERFACE);
SetVScrollCount(this, _patches_page[this->page].num);
SetVScrollCount(this, _patches_page[this->page].Length());
DeleteWindowById(WC_QUERY_STRING, 0);
this->SetDirty();
break;
@ -1114,7 +1142,7 @@ struct PatchesSelectionWindow : Window {
virtual void OnResize(Point new_size, Point delta)
{
this->vscroll.cap += delta.y / SETTING_HEIGHT;
SetVScrollCount(this, _patches_page[this->page].num);
SetVScrollCount(this, _patches_page[this->page].Length());
}
};