 0242818f39
			
		
	
	
	0242818f39
	
	
	
		
			
			* feat: add registerAccelerator flag to allow menu items to skip registration * docs: add docs for registerAccelerator * docs: re-add accidentally removed line
		
			
				
	
	
		
			104 lines
		
	
	
	
		
			3 KiB
			
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			104 lines
		
	
	
	
		
			3 KiB
			
		
	
	
	
		
			C++
		
	
	
	
	
	
| // Copyright (c) 2013 GitHub, Inc.
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| // Use of this source code is governed by the MIT license that can be
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| // found in the LICENSE file.
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| 
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| #include "atom/browser/ui/accelerator_util.h"
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| 
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| #include <stdio.h>
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| 
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| #include <string>
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| #include <vector>
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| 
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| #include "atom/common/keyboard_util.h"
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| #include "base/stl_util.h"
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| #include "base/strings/string_number_conversions.h"
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| #include "base/strings/string_split.h"
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| #include "base/strings/string_util.h"
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| 
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| namespace accelerator_util {
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| 
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| bool StringToAccelerator(const std::string& shortcut,
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|                          ui::Accelerator* accelerator) {
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|   if (!base::IsStringASCII(shortcut)) {
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|     LOG(ERROR) << "The accelerator string can only contain ASCII characters";
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|     return false;
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|   }
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| 
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|   std::vector<std::string> tokens = base::SplitString(
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|       shortcut, "+", base::TRIM_WHITESPACE, base::SPLIT_WANT_NONEMPTY);
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| 
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|   // Now, parse it into an accelerator.
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|   int modifiers = ui::EF_NONE;
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|   ui::KeyboardCode key = ui::VKEY_UNKNOWN;
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|   for (const auto& token : tokens) {
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|     bool shifted = false;
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|     ui::KeyboardCode code = atom::KeyboardCodeFromStr(token, &shifted);
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|     if (shifted)
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|       modifiers |= ui::EF_SHIFT_DOWN;
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|     switch (code) {
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|       // The token can be a modifier.
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|       case ui::VKEY_SHIFT:
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|         modifiers |= ui::EF_SHIFT_DOWN;
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|         break;
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|       case ui::VKEY_CONTROL:
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|         modifiers |= ui::EF_CONTROL_DOWN;
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|         break;
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|       case ui::VKEY_MENU:
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|         modifiers |= ui::EF_ALT_DOWN;
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|         break;
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|       case ui::VKEY_COMMAND:
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|         modifiers |= ui::EF_COMMAND_DOWN;
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|         break;
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|       case ui::VKEY_ALTGR:
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|         modifiers |= ui::EF_ALTGR_DOWN;
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|         break;
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|       // Or it is a normal key.
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|       default:
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|         key = code;
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|     }
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|   }
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| 
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|   if (key == ui::VKEY_UNKNOWN) {
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|     LOG(WARNING) << shortcut << " doesn't contain a valid key";
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|     return false;
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|   }
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| 
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|   *accelerator = ui::Accelerator(key, modifiers);
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|   return true;
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| }
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| 
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| void GenerateAcceleratorTable(AcceleratorTable* table,
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|                               atom::AtomMenuModel* model) {
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|   int count = model->GetItemCount();
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|   for (int i = 0; i < count; ++i) {
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|     atom::AtomMenuModel::ItemType type = model->GetTypeAt(i);
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|     if (type == atom::AtomMenuModel::TYPE_SUBMENU) {
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|       auto* submodel = model->GetSubmenuModelAt(i);
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|       GenerateAcceleratorTable(table, submodel);
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|     } else {
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|       ui::Accelerator accelerator;
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|       if (model->ShouldRegisterAcceleratorAt(i)) {
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|         if (model->GetAcceleratorAtWithParams(i, true, &accelerator)) {
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|           MenuItem item = {i, model};
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|           (*table)[accelerator] = item;
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|         }
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|       }
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|     }
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|   }
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| }
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| 
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| bool TriggerAcceleratorTableCommand(AcceleratorTable* table,
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|                                     const ui::Accelerator& accelerator) {
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|   if (base::ContainsKey(*table, accelerator)) {
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|     const accelerator_util::MenuItem& item = (*table)[accelerator];
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|     if (item.model->IsEnabledAt(item.position)) {
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|       const auto event_flags =
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|           accelerator.MaskOutKeyEventFlags(accelerator.modifiers());
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|       item.model->ActivatedAt(item.position, event_flags);
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|       return true;
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|     }
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|   }
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|   return false;
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| }
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| 
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| }  // namespace accelerator_util
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