动态生成控件示例1 - 图片文件预览

说明：可按照代码中createParts方法，依次放置控件；然后在你的项目的[资源\图片]目录，拷入png或jpg文件，即可运行看到效果

#include "Frm05.h"

 

Frm05::Frm05(HmiApp* app, STTWidget *par, const string& id, const string& desc) : STTPage(app->getRuntime(), par, id, desc) {

hmiApp = app;

}

 

Frm05::~Frm05() {

}

 

void Frm05::onInit() {

 

}

 

void Frm05::createParts() {

setMainArg(0, 0, 1024, 600);

setMainStyle(0, 0xffffff, 0xffffff, 0, 255, 0, 0xc0c0c0);

 

/*----------------------------- Panel : wMPanel1                     -----------------------------*/

wMPanel1 = new STTPanel(p_rt, this, "wMPanel1");

wMPanel1->setMainArg(13, 76, 996, 461, 0);

wMPanel1->setMainStyle(0, 0xffffff, 0xffffff, GradDir::NONE, 255, 1, 0xc0c0c0);

 

/*----------------------------- Label : wMLabel1                     -----------------------------*/

wMLabel1 = new STTLabel(p_rt, this, "wMLabel1");

wMLabel1->setMainArg(13, 48, 117, 29, "序号", TextAlign::LEFT, LabelLongMode::CLIP, 30);

wMLabel1->setFonts(0x0, 16, "文泉驿微米黑", 0);

wMLabel1->setMainStyle(0, 0xffffff, 0xffffff, GradDir::NONE, 0, 0x0, 0);

wMLabel1->setFormatText(TextAlign::LEFT, LabelLongMode::CLIP, 30);

 

/*----------------------------- Label : wMLabel2                     -----------------------------*/

wMLabel2 = new STTLabel(p_rt, this, "wMLabel2");

wMLabel2->setMainArg(129, 48, 307, 29, "本地文件", TextAlign::LEFT, LabelLongMode::CLIP, 30);

wMLabel2->setFonts(0x0, 16, "文泉驿微米黑", 0);

wMLabel2->setMainStyle(0, 0xffffff, 0xffffff, GradDir::NONE, 0, 0x0, 0);

wMLabel2->setFormatText(TextAlign::LEFT, LabelLongMode::CLIP, 30);

 

/*----------------------------- Label : wMLabel3                     -----------------------------*/

wMLabel3 = new STTLabel(p_rt, this, "wMLabel3");

wMLabel3->setMainArg(435, 48, 573, 29, "图形预览", TextAlign::LEFT, LabelLongMode::CLIP, 30);

wMLabel3->setFonts(0x0, 16, "文泉驿微米黑", 0);

wMLabel3->setMainStyle(0, 0xffffff, 0xffffff, GradDir::NONE, 0, 0x0, 0);

wMLabel3->setFormatText(TextAlign::LEFT, LabelLongMode::CLIP, 30);

 

/*called after widget created.*/

 

return; //createParts END

}

 

void Frm05::onLoad() {

vector<KV_Str_Str> files;

stt::util::FileUtil::getPathContent("./res/pic", files);

int i=0;

for(KV_Str_Str kv: files) {

//序号

int rowHeight = 150;

int xx = 0;

int yy = i * 150;

STTButton * btn = new STTButton(p_rt, wMPanel1, "mybtn" + to_string(i), 0);

btn->setMainArg(xx, yy, 115, rowHeight, false);

btn->setPressedArg(to_string(i+1), 0x0, "文泉驿微米黑", 16, 0);

btn->setPressedStyle(8, 255, 0xebebeb, 0x999999, 1, 1, 0x999999, 1, 0xebebeb);

btn->setReleasedArg(to_string(i+1), 0x0, "文泉驿微米黑", 16, 0);

btn->setReleasedStyle(5, 255, 0xebebeb, 0x999999, 1, 1, 0x999999, 1, 0xebebeb);

//文件名称

STTLabel* lbl = new STTLabel(p_rt, wMPanel1, "mylbl" + to_string(i));

lbl->setMainArg(115, yy, 300, rowHeight, kv.k, TextAlign::LEFT, LabelLongMode::CLIP, 30);

lbl->setFonts(0x0, 16, "文泉驿微米黑", 0);

lbl->setMainStyle(0, 0xffffff, 0xffffff, GradDir::NONE, 0, 0x0, 0);

lbl->setFormatText(TextAlign::LEFT, LabelLongMode::CLIP, 30);

//预览

STTImage * img = new STTImage(p_rt, wMPanel1, "myimg" + to_string(i));

img->setMainArg(415, yy, 500, rowHeight);

img->addStateImg("0","./res/pic/" + kv.k);

 

i++;

}

}

 

bool Frm05::onClosing() {

return true;

}

 

void Frm05::onDispose() {

 

}