cpp/openttd-patchpack/source Changeset - r10662:78df1ba8e47f

Changeset - r10662:78df1ba8e47f

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rubidium - 15 years ago 2009-01-10 16:44:51
rubidium@openttd.org

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

1 file changed with 33 insertions and 5 deletions:

src/settings_gui.cpp

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src/settings_gui.cpp

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@@ @@ -630,20 +630,24 @@ struct PatchEntry { @@
 	PatchEntry(const char *nm);
 	PatchEntry(PatchPage *sub, StringID title);
 	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. */
 struct PatchPage {
 	PatchEntry *entries; ///< Array of patch entries of the page.
 	byte num;            ///< Number of entries on the page (statically filled).
 	void Init(byte level = 0);
 	uint Length() const;
 };
 /* == PatchEntry methods == */
 /**
@@ @@ -703,12 +707,26 @@ void PatchEntry::Init(byte level, bool l @@
 void PatchEntry::SetButtons(byte new_val)
+{
 	assert((new_val & ~PEF_BUTTONS_MASK) == 0); // Should not touch any flags outside the buttons
 	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 == */
 /**
  * Initialization of an entire setting page
  * @param level Nesting level of this page (internal variable, do not provide a value for it when calling)
@@ @@ -717,12 +735,22 @@ void PatchPage::Init(byte level) @@
+{
 	for (uint field = 0; field < this->num; field++) {
 		this->entries[field].Init(level, field + 1 == num);
+	}
+}
 /** 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"),
 	PatchEntry("gui.status_long_date"),
 	PatchEntry("gui.date_format_in_default_names"),
 	PatchEntry("gui.show_finances"),
@@ @@ -906,13 +934,13 @@ struct PatchesSelectionWindow : Window { @@
+		}
 		this->page = 0;
 		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;
 		this->resize.step_width = 1;
 		this->resize.width = this->width;
@@ @@ -927,13 +955,13 @@ struct PatchesSelectionWindow : Window { @@
 		/* Set up selected category */
 		this->DrawWidgets();
 		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;
 			DrawPatch(patches_ptr, sd, x, y, state);
 			y += SETTING_HEIGHT;
+		}
@@ @@ -995,13 +1023,13 @@ struct PatchesSelectionWindow : Window { @@
 				byte btn = this->vscroll.pos + y / SETTING_HEIGHT;  // Compute which setting is selected
 				if (y % SETTING_HEIGHT > SETTING_HEIGHT - 2) return;  // Clicked too low at the setting
 				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;
 				/* return if action is only active in network, or only settable by server */
 				if (!(sd->save.conv & SLF_NETWORK_NO) && _networking && !_network_server) return;
@@ @@ -1076,13 +1104,13 @@ struct PatchesSelectionWindow : Window { @@
 			case PATCHSEL_INTERFACE: case PATCHSEL_CONSTRUCTION: case PATCHSEL_VEHICLES:
 			case PATCHSEL_STATIONS:  case PATCHSEL_ECONOMY:      case PATCHSEL_COMPETITORS:
 				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;
+		}
+	}
@@ @@ -1111,13 +1139,13 @@ 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());
+	}
 };
 GameSettings *PatchesSelectionWindow::patches_ptr = NULL;
 const int PatchesSelectionWindow::SETTINGTREE_LEFT_OFFSET = 5;
 const int PatchesSelectionWindow::SETTINGTREE_TOP_OFFSET = 47;

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