raygui/examples/gui_scroll_panel.c

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/*******************************************************************************************
*
* raygui - Controls test
*
* TEST CONTROLS:
* - GuiScrollPanel()
*
* DEPENDENCIES:
* raylib 2.4 - Windowing/input management and drawing.
* raygui 2.0 - Immediate-mode GUI controls.
*
* COMPILATION (Windows - MinGW):
* gcc -o $(NAME_PART).exe $(FILE_NAME) -I../../src -lraylib -lopengl32 -lgdi32 -std=c99
*
* LICENSE: zlib/libpng
*
* Copyright (c) 2019 Vlad Adrian (@Demizdor) and Ramon Santamaria (@raysan5)
*
**********************************************************************************************/
#include "raylib.h"
#define RAYGUI_IMPLEMENTATION
#include "../src/raygui.h"
//------------------------------------------------------------------------------------
// Program main entry point
//------------------------------------------------------------------------------------
int main()
{
// Initialization
//---------------------------------------------------------------------------------------
const int screenWidth = 400;
const int screenHeight = 450;
InitWindow(screenWidth, screenHeight, "raygui - GuiScrollPanel()");
Rectangle panelRec = { 20,40,200,150 };
Rectangle panelContentRec = { 0,0,340,340 };
Vector2 panelScroll = { 99, -20 };
SetTargetFPS(60);
//---------------------------------------------------------------------------------------
// Main game loop
while (!WindowShouldClose()) // Detect window close button or ESC key
{
// Update
//----------------------------------------------------------------------------------
// TODO: Implement required update logic
//----------------------------------------------------------------------------------
// Draw
//----------------------------------------------------------------------------------
BeginDrawing();
ClearBackground(RAYWHITE);
DrawText(TextFormat("[%f, %f]", panelScroll.x, panelScroll.y), 4, 4, 20, RED);
Rectangle view = GuiScrollPanel(panelRec, panelContentRec, &panelScroll);
BeginScissorMode(view.x, view.y, view.width, view.height);
GuiGrid((Rectangle){panelRec.x+panelScroll.x, panelRec.y+panelScroll.y, panelContentRec.width, panelContentRec.height}, 16, 3);
EndScissorMode();
DrawRectangle(panelRec.x+panelScroll.x, panelRec.y+panelScroll.y, panelContentRec.width, panelContentRec.height, Fade(RED, 0.1));
EndDrawing();
//----------------------------------------------------------------------------------
}
// De-Initialization
//--------------------------------------------------------------------------------------
CloseWindow(); // Close window and OpenGL context
//--------------------------------------------------------------------------------------
return 0;
}