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(svn r14966) -Codechange: simplify and generalise finding patch entries (Alberth)

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rubidium 2009-01-10 16:49:30 +00:00
parent eec72275f1
commit d6d8411a5f
1 changed files with 57 additions and 7 deletions
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64
src/settings_gui.cpp
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@ -635,6 +635,7 @@ struct PatchEntry {
void SetButtons(byte new_val);
uint Length() const;
PatchEntry *FindEntry(uint row, uint *cur_row);
};
/** Data structure describing one page of patches in the patch settings window. */
@ -645,6 +646,7 @@ struct PatchPage {
void Init(byte level = 0);
uint Length() const;
PatchEntry *FindEntry(uint row, uint *cur_row) const;
};
@ -713,7 +715,7 @@ void PatchEntry::SetButtons(byte new_val)
/** Return numbers of rows needed to display the entry */
uint PatchEntry::Length() const
{
switch(this->flags & PEF_KIND_MASK) {
switch (this->flags & PEF_KIND_MASK) {
case PEF_SETTING_KIND:
return 1;
case PEF_SUBTREE_KIND:
@ -724,6 +726,33 @@ uint PatchEntry::Length() const
}
}
/**
* Find patch entry at row \a row_num
* @param row_num Index of entry to return
* @param cur_row Current row number
* @return The requested patch entry or \c NULL if it not found
*/
PatchEntry *PatchEntry::FindEntry(uint row_num, uint *cur_row)
{
if (row_num == *cur_row) return this;
switch (this->flags & PEF_KIND_MASK) {
case PEF_SETTING_KIND:
(*cur_row)++;
break;
case PEF_SUBTREE_KIND:
(*cur_row)++; // add one for row containing the title
if (this->d.sub.folded) {
break;
}
/* sub-page is visible => search it too */
return this->d.sub.page->FindEntry(row_num, cur_row);
default: NOT_REACHED();
}
return NULL;
}
/* == PatchPage methods == */
@ -748,6 +777,25 @@ uint PatchPage::Length() const
return length;
}
/**
* Find the patch entry at row number \a row_num
* @param row_num Index of entry to return
* @param cur_row Variable used for keeping track of the current row number. Should point to memory initialized to \c 0 when first called.
* @return The requested patch entry or \c NULL if it does not exist
*/
PatchEntry *PatchPage::FindEntry(uint row_num, uint *cur_row) const
{
PatchEntry *pe = NULL;
for (uint field = 0; field < this->num; field++) {
pe = this->entries[field].FindEntry(row_num, cur_row);
if (pe != NULL) {
break;
}
}
return pe;
}
static PatchEntry _patches_ui[] = {
PatchEntry("gui.vehicle_speed"),
@ -1026,11 +1074,13 @@ struct PatchesSelectionWindow : Window {
if (y % SETTING_HEIGHT > SETTING_HEIGHT - 2) return; // Clicked too low at the setting
const PatchPage *page = &_patches_page[this->page];
uint cur_row = 0;
PatchEntry *pe = page->FindEntry(btn, &cur_row);
if (btn >= page->Length()) return; // Clicked below the last setting of the page
if (pe == NULL) 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;
assert((pe->flags & PEF_KIND_MASK) == PEF_SETTING_KIND);
const SettingDesc *sd = pe->d.entry.setting;
/* return if action is only active in network, or only settable by server */
if (!(sd->save.conv & SLF_NETWORK_NO) && _networking && !_network_server) return;
@ -1077,7 +1127,7 @@ struct PatchesSelectionWindow : Window {
if (this->clicked_entry != NULL) { // Release previous buttons if any
this->clicked_entry->SetButtons(0);
}
this->clicked_entry = &page->entries[btn];
this->clicked_entry = pe;
this->clicked_entry->SetButtons((x >= 10) ? PEF_RIGHT_DEPRESSED : PEF_LEFT_DEPRESSED);
this->flags4 |= WF_TIMEOUT_BEGIN;
_left_button_clicked = false;
@ -1087,7 +1137,7 @@ struct PatchesSelectionWindow : Window {
}
if (value != oldvalue) {
SetPatchValue(page->entries[btn].d.entry.index, value);
SetPatchValue(pe->d.entry.index, value);
this->SetDirty();
}
} else {
@ -1096,7 +1146,7 @@ struct PatchesSelectionWindow : Window {
/* Show the correct currency-translated value */
if (sd->desc.flags & SGF_CURRENCY) value *= _currency->rate;
this->valuewindow_entry = &page->entries[btn];
this->valuewindow_entry = pe;
SetDParam(0, value);
ShowQueryString(STR_CONFIG_PATCHES_INT32, STR_CONFIG_PATCHES_QUERY_CAPT, 10, 100, this, CS_NUMERAL, QSF_NONE);
}