From c60b7b8aefd883b51daecf4fad9a009245e1139c Mon Sep 17 00:00:00 2001
From: Vaxry <vaxry@vaxry.net>
Date: Mon, 19 Feb 2024 22:58:59 +0000
Subject: [PATCH] input-field: add placeholder

---
 src/config/ConfigManager.cpp                |  2 ++
 src/renderer/widgets/PasswordInputField.cpp | 25 +++++++++++++++++++++
 src/renderer/widgets/PasswordInputField.hpp |  7 ++++++
 3 files changed, 34 insertions(+)

diff --git a/src/config/ConfigManager.cpp b/src/config/ConfigManager.cpp
index f130b80..e1b8fec 100644
--- a/src/config/ConfigManager.cpp
+++ b/src/config/ConfigManager.cpp
@@ -37,6 +37,7 @@ void CConfigManager::init() {
     m_config.addSpecialConfigValue("input-field", "halign", Hyprlang::STRING{"center"});
     m_config.addSpecialConfigValue("input-field", "valign", Hyprlang::STRING{"center"});
     m_config.addSpecialConfigValue("input-field", "position", Hyprlang::VEC2{0, -20});
+    m_config.addSpecialConfigValue("input-field", "placeholder_text", Hyprlang::STRING{"<i>Input Password</i>"});
 
     m_config.addSpecialCategory("label", Hyprlang::SSpecialCategoryOptions{.key = nullptr, .anonymousKeyBased = true});
     m_config.addSpecialConfigValue("label", "monitor", Hyprlang::STRING{""});
@@ -97,6 +98,7 @@ std::vector<CConfigManager::SWidgetConfig> CConfigManager::getWidgetConfigs() {
                 {"halign", m_config.getSpecialConfigValue("input-field", "halign", k.c_str())},
                 {"valign", m_config.getSpecialConfigValue("input-field", "valign", k.c_str())},
                 {"position", m_config.getSpecialConfigValue("input-field", "position", k.c_str())},
+                {"placeholder_text", m_config.getSpecialConfigValue("input-field", "placeholder_text", k.c_str())},
             }
         });
         // clang-format on
diff --git a/src/renderer/widgets/PasswordInputField.cpp b/src/renderer/widgets/PasswordInputField.cpp
index c686e25..63c4e27 100644
--- a/src/renderer/widgets/PasswordInputField.cpp
+++ b/src/renderer/widgets/PasswordInputField.cpp
@@ -13,6 +13,19 @@ CPasswordInputField::CPasswordInputField(const Vector2D& viewport, const std::un
     pos         = std::any_cast<Hyprlang::VEC2>(props.at("position"));
 
     pos = posFromHVAlign(viewport, size, pos, std::any_cast<Hyprlang::STRING>(props.at("halign")), std::any_cast<Hyprlang::STRING>(props.at("valign")));
+
+    std::string placeholderText = std::any_cast<Hyprlang::STRING>(props.at("placeholder_text"));
+    if (!placeholderText.empty()) {
+        placeholder.resourceID = "placeholder:" + std::to_string((uintptr_t)this);
+        CAsyncResourceGatherer::SPreloadRequest request;
+        request.id                   = placeholder.resourceID;
+        request.asset                = placeholderText;
+        request.type                 = CAsyncResourceGatherer::eTargetType::TARGET_TEXT;
+        request.props["font_family"] = std::string{"Sans"};
+        request.props["color"]       = CColor{1.0 - font.r, 1.0 - font.g, 1.0 - font.b, 0.5};
+        request.props["font_size"]   = 12;
+        g_pRenderer->asyncResourceGatherer->requestAsyncAssetPreload(request);
+    }
 }
 
 void CPasswordInputField::updateFade() {
@@ -105,5 +118,17 @@ bool CPasswordInputField::draw(const SRenderData& data) {
 
     const auto PASSLEN = g_pHyprlock->getPasswordBufferLen();
 
+    if (PASSLEN == 0 && !placeholder.resourceID.empty()) {
+        if (!placeholder.asset)
+            placeholder.asset = g_pRenderer->asyncResourceGatherer->getAssetByID(placeholder.resourceID);
+
+        if (placeholder.asset) {
+            Vector2D pos = outerBox.pos() + outerBox.size() / 2.f;
+            pos          = pos - placeholder.asset->texture.m_vSize / 2.f;
+            CBox textbox{pos, placeholder.asset->texture.m_vSize};
+            g_pRenderer->renderTexture(textbox, placeholder.asset->texture, data.opacity * fade.a, 0);
+        }
+    }
+
     return dots.currentAmount != PASSLEN || data.opacity < 1.0 || fade.a < 1.0;
 }
\ No newline at end of file
diff --git a/src/renderer/widgets/PasswordInputField.hpp b/src/renderer/widgets/PasswordInputField.hpp
index de7ad7a..77d1ff2 100644
--- a/src/renderer/widgets/PasswordInputField.hpp
+++ b/src/renderer/widgets/PasswordInputField.hpp
@@ -8,6 +8,8 @@
 #include <any>
 #include <unordered_map>
 
+struct SPreloadedAsset;
+
 class CPasswordInputField : public IWidget {
   public:
     CPasswordInputField(const Vector2D& viewport, const std::unordered_map<std::string, std::any>& props);
@@ -38,5 +40,10 @@ class CPasswordInputField : public IWidget {
         bool                                  animated  = false;
     } fade;
 
+    struct {
+        std::string      resourceID = "";
+        SPreloadedAsset* asset      = nullptr;
+    } placeholder;
+
     bool fadeOnEmpty;
 };
\ No newline at end of file