From 992ef1e3d608c4658e798c172fd1a17af0c104fd Mon Sep 17 00:00:00 2001
From: hippoz <10706925-hippoz@users.noreply.gitlab.com>
Date: Tue, 29 Mar 2022 09:27:59 +0300
Subject: [PATCH] handle text bounds using pango

---
 src/Button.cpp  | 3 ++-
 src/Label.cpp   | 3 ++-
 src/Painter.cpp | 7 ++++++-
 src/Painter.hpp | 2 +-
 src/main.cpp    | 2 +-
 5 files changed, 12 insertions(+), 5 deletions(-)

diff --git a/src/Button.cpp b/src/Button.cpp
index 6c55852..4a67742 100644
--- a/src/Button.cpp
+++ b/src/Button.cpp
@@ -3,6 +3,7 @@
 #include "Box.hpp"
 #include "Window.hpp"
 #include "Painter.hpp"
+#include "pango/pango-layout.h"
 #include <pango/pangocairo.h>
 
 namespace Raven {
@@ -30,7 +31,7 @@ void Button::on_paint() {
     auto text_color = get_styles()->get_button_text_color();
     painter.source_rgb(text_color);
     painter.set_pango_font_description(get_styles()->get_controls_font_description());
-    painter.text(get_current_geometry(), m_text, PaintTextAlign::Center);
+    painter.text(get_current_geometry(), m_text, PaintTextAlign::Center, PANGO_ELLIPSIZE_END);
     painter.fill();
 }
 
diff --git a/src/Label.cpp b/src/Label.cpp
index e35b784..dbd7254 100644
--- a/src/Label.cpp
+++ b/src/Label.cpp
@@ -1,5 +1,6 @@
 #include "Label.hpp"
 #include "Window.hpp"
+#include "pango/pango-layout.h"
 
 namespace Raven {
 
@@ -18,7 +19,7 @@ void Label::on_paint() {
 
     painter.source_rgb(text_color);
     painter.set_pango_font_description(get_styles()->get_controls_font_description());
-    painter.text(get_current_geometry(), m_text, PaintTextAlign::Center);
+    painter.text(get_current_geometry(), m_text, PaintTextAlign::Center, PANGO_ELLIPSIZE_NONE);
     painter.fill();
 }
 
diff --git a/src/Painter.cpp b/src/Painter.cpp
index 9a6290a..e4265f1 100644
--- a/src/Painter.cpp
+++ b/src/Painter.cpp
@@ -1,5 +1,7 @@
 #include "Painter.hpp"
 #include "RGB.hpp"
+#include "pango/pango-layout.h"
+#include "pango/pango-types.h"
 
 namespace Raven {
 
@@ -37,7 +39,7 @@ bool Painter::text(Point &where, std::string &text) {
     return true;
 }
 
-bool Painter::text(Box &geometry, std::string &text, PaintTextAlign align) {
+bool Painter::text(Box &geometry, std::string &text, PaintTextAlign align, PangoEllipsizeMode ellipsize) {
     if (m_pango_font_description == nullptr)
         return false;
 
@@ -47,6 +49,9 @@ bool Painter::text(Box &geometry, std::string &text, PaintTextAlign align) {
     int font_height;
 
     pango_layout_set_font_description(layout, m_pango_font_description);
+    pango_layout_set_width(layout, pango_units_from_double(geometry.get_width()));
+    pango_layout_set_height(layout, pango_units_from_double(geometry.get_height()));
+    pango_layout_set_ellipsize(layout, ellipsize);
     pango_layout_set_text(layout, text.c_str(), -1);
 
     pango_layout_get_pixel_size(layout, &font_width, &font_height);
diff --git a/src/Painter.hpp b/src/Painter.hpp
index 5c8c307..03819d0 100644
--- a/src/Painter.hpp
+++ b/src/Painter.hpp
@@ -29,7 +29,7 @@ public:
 
     void rounded_rectangle(Box &geometry, double border_radius);
     bool text(Point &where, std::string &text);
-    bool text(Box &geometry, std::string &text, PaintTextAlign align);
+    bool text(Box &geometry, std::string &text, PaintTextAlign align, PangoEllipsizeMode ellipsize);
 
     void source_rgb(RGB &source_rgb);
     void fill();
diff --git a/src/main.cpp b/src/main.cpp
index 4ba1994..9bc0d9c 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -10,7 +10,7 @@ int main() {
 
     Raven::Window window {};
     Raven::Widget main_widget {};
-    Raven::Button button {"click me"};
+    Raven::Button button {"click meeeeeeeeeeee"};
     Raven::Label label {"click it!"};
 
     window.spawn_window();