initial commit

NewDialogs/DlgDropDownList.cpp

@@ -0,0 +1,69 @@
+#include <vector>
+
+using namespace std;
+
+#include <SDL3/SDL.h>
+#include <SDL3_image/SDL_image.h>
+#include <SDL3_ttf/SDL_ttf.h>
+
+#include "../SDLHelpers.h"
+
+#include "Item.h"
+#include "Scrollbar.h"
+#include "Listbox.h"
+#include "Frame.h"
+
+#include "DlgDropDownList.h"
+
+DlgDropDownList::DlgDropDownList(DropDownList *ddl, SDL_Rect pos, bool add_scrollbar) : Dialog() {
+    this->ddl = ddl;
+    this->pos = pos;
+    setDefaultPos(false);
+
+    background = SDL_CreateSurface(pos.w, pos.h, SDL_GetPixelFormatForMasks(32, 0x000000ff, 0x0000ff00, 0x00ff0000, 0xff000000));
+    memset((int *) background->pixels, 0xFFFFFFFF, pos.w * pos.h * 4);
+    surface = SDL_CreateSurface(background->w, background->h, SDL_GetPixelFormatForMasks(32, 0x000000ff, 0x0000ff00, 0x00ff0000, 0xff000000));
+
+    int listbox_width = pos.w;
+    if (add_scrollbar)
+        listbox_width -= 18;
+    Item *listbox = new Listbox(ddl->getList(), ddl->getListboxItemSize(), getRect(0, 0, listbox_width, ddl->getListboxHeight()));
+    ((Listbox *) listbox)->setValueChangedFunc(&listboxValueChangedCallback, (void *)this);
+
+    Item *item = new Frame(getRect(0, 0, listbox_width, pos.h));
+    ((Frame *)item)->addItem(listbox);
+    addItem(item);
+
+    if (add_scrollbar) {
+        item = new Scrollbar(0, ddl->getListboxHeight() - pos.h, 0, getRect(pos.w - 18, 0, 18, pos.h));
+        ((Scrollbar *) item)->setValueChangedFunc(&scrollbarValueChangedCallback, (void *)this);
+        addItem(item);
+    }
+
+    setExit(false);
+}
+
+DlgDropDownList::~DlgDropDownList() {
+    deleteSurfaceAndBackground();
+    deleteItems();
+}
+
+void DlgDropDownList::listboxValueChangedCallback(void *p) {
+    ((DlgDropDownList *)p)->listboxValueChanged();
+}
+
+void DlgDropDownList::listboxValueChanged() {
+    int selected = ((Listbox *)((Frame *) items[0])->getItem(0))->getSelected();
+    ddl->setSelected(selected);
+    setExit(true);
+}
+
+void DlgDropDownList::scrollbarValueChangedCallback(void *p) {
+    ((DlgDropDownList *)p)->scrollbarValueChanged();
+}
+
+void DlgDropDownList::scrollbarValueChanged() {
+    int value = ((Scrollbar *) items[1])->getValue();
+    SDL_Rect *pos = ((Frame *) items[0])->getItem(0)->getPos();
+    pos->y = 0 - value;
+}